1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter C - AIR PROGRAMS
  5. Part 81 - DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES
  6. Subpart C - Section 107 Attainment Status Designations
  7. 40 CFR § 81.303
40 CFR § 81.303
Arizona
June 9, 2020
CFR

Arizona—TSP

Open Table
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Ajo
T12S, R6W 1X
Douglas:
T24S, R27E 1X
T24S, R28E 1X
Hayden:
T5S, R15E 1X
Joseph City:
T18N, R19E 1X
Miami:
T1N, R15E 1X
Page:
T41N, R9E X
Paul Spur:
T24S, R26E 1X
Phoenix: That portion of Maricopa County known as the Maricopa Association of Governments (MAG) Urban Planning Area 1X
Tucson: That portion within Pima County of the area described by connecting the following geographical coordinates moving in a clockwise manner:
LAT(N) and LON(W):
32°38.5′ 111°24.0′
32°26.5′ 110°47.5′
32°12.5′ 110°32.5′
31°49.5′ 110°25.5′
31°42.0′ 110°50.5′
31°52.5′ 111°12.5′
32°24.5′ 111°29.0′ 1X
San Manuel:
T10S, R16E X
T10S, R17E X
Morenci: T4S, R29E 1X
Rest of State 1X

1EPA designation replaces State designation.

Arizona—1971 Sulfur Dioxide NAAQS

[Primary and Secondary]

Open Table
Designated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards
Ajo:
T11S, R5W X
T11S, R6W X
T12S, R5W X
T12S, R6W X
T13S, R6W X
T11S, R7W X
T12S, R7W X
T13S, R5W X
T13S, R7W X
Douglas:
T23S, R27E x
T24S, R27E x
T24S, R28E x
T23S, R26E x
T23S, R28E x
T24S, R26E x
Hayden:
T4S, R14E X
T4S, R15E X
T4S, R16E X
T5S, T14E X
T5S, R15E X
T5S, R16E X
T6S, R14E X
T6S, R15E X
T6S, R16E X
T4S, R13E X
T4S, R17E X
T5S, R13E X
T5S, R17E X
T6S, R13E X
T6S, R17E X
Miami:
T2N, R14E X
T2N, R15E X
T1N, R13E1 X
T1N, R14E X
T1N, R15E X
T1S, R14E1 X
T1S, R141⁄2 E X
T1S, R15E X
T2N, R13E1 X
T2N, R16E X
T1N, R16E X
T1S, R13E1 X
T1S, R16E X
T2S, R14E1 X
T2S, R15E X
Morenci:
T3S, R28E2 x
T3S, R29E x
T3S, R30E x
T4S, R28E2 x
T4S, R29E x
T4S, R30E x
T5S, R28E2 x
T5S, R29E2 x
T5S, R30E x
San Manuel:
T8S, R16E X
T8S, R17E X
T8S, R18E X
T9S, R15E X
T9S, R16E X
T9S, R17E X
T9S, R18E X
T10S, R15E X
T10S, R16E X
T10S, R17E X
T11S, R16E X
T10S, R18E X
T11S, R17E X
T12S, R16E X
T12S, R17E X
Page:
T41N, R9E 3X
Rest of State X

1Only that portion in Gila County.

2Only that portion in Greenlee County.

3EPA designation replaces State designation.

Arizona—2010 Sulfur Dioxide NAAQS

[Primary]

Open Table
Designated area1 Designation
Date2 Type
Hayden, AZ3 10-4-13 Nonattainment.
Gila County (part)
The portions of Gila County that are bounded by: T4S, R14E; T4S, R15E; T4S, R16E; T5S, R15E; T5S, R16E
Pinal County (part)
The portions of Pinal County that are bounded by: T4S, R14E; T4S, R15E; T4S, R16E; T5S, R14E; T5S, R15E; T5S, R16E; T6S, R14E; T6S, R15E; T6S, R16E
Miami, AZ3 10-4-13 Nonattainment.
Gila County (part)
The portions of Gila County that are bounded by: T2N, R14E; T2N, R15E; T1N, R13E; T1N, R14E; T1N, R15E; T1S, R14E; T1S, R14 1/2E; T1S, R15E
Coconino County (part) Unclassifiable.
The portions of Coconino County located within the Navajo Nation areas of Indian country within a 50-km radius of the Navajo Generating Station at the coordinates 39.904006 decimal degrees latitude and −111.389435 decimal degrees longitude, using the 1984 World Geodetic Survey datum.
Rest of State:
Apache County (part)4 Attainment/Unclassifiable.
Cochise County Attainment/Unclassifiable.
Coconino County (part)5 Attainment/Unclassifiable.
Gila County (part)6 Attainment/Unclassifiable.
Graham County Attainment/Unclassifiable.
Greenlee County Attainment/Unclassifiable.
Lands of the Hopi Tribe Attainment/Unclassifiable.
La Paz County Attainment/Unclassifiable.
Maricopa County Attainment/Unclassifiable.
Mohave County Attainment/Unclassifiable.
Navajo County (part)7 Attainment/Unclassifiable.
Lands of the Navajo Nation (part)8 Attainment/Unclassifiable.
Pima County Attainment/Unclassifiable.
Pinal County (part)9 Attainment/Unclassifiable.
Santa Cruz County Attainment/Unclassifiable.
Yavapai County Attainment/Unclassifiable.
Yuma County Attainment/Unclassifiable.

1Includes Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

2This date is April 9, 2018, unless otherwise noted.

3Excludes Indian country located in each area, if any, unless otherwise specified.

4Excludes lands of the White Mountain Apache Tribe.

5Excludes lands of the Hopi Tribe and lands of the Navajo Nation.

6Excludes the lands of the White Mountain Apache Tribe and the Hayden, AZ and Miami, AZ Nonattainment areas.

7Includes all lands of the White Mountain Apache Tribe, including those lands of the White Mountain Apache Tribe geographically located in Apache County and Gila County, and excludes lands of the Hopi Tribe and lands of the Navajo Nation.

8Includes all lands of the Navajo Nation except for the portions of the Navajo Nation lands designated Unclassifiable. Includes the lands of the Navajo Nation geographically located within the states of New Mexico and Utah.

9Excludes the Hayden, AZ Nonattainment area.

Arizona—Carbon Monoxide

Open Table
Designated area Designation Classification
Date Type Date Type
Phoenix Area:
Maricopa County (part) 4/8/05 Attainment.
Phoenix nonattainment area boundary:
1. Commencing at a point which is the intersection of the eastern line of Range 7 East, Gila and Salt River Baseline and Meridian, and the southern line of point Township 2 South, said point is the southeastern corner of Maricopa Association of Governments Urban Planning Area, which is the point of beginning;
2. thence, proceed northerly along the eastern line of Range 7 East, which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes Section 11-109, to a point where the eastern line of Range 7 East intersects the northern line of Township 1 North, said point is also the intersection of the Maricopa County Line and the Tonto National Forest Boundary, as established by Executive Order 869 dated July 1, 1908, as amended and the shown on the U.S. Forest Service 1969 Planimetric Maps;
3. thence, westerly along the northern line of Township 1 North to pproximately the southwest corner of the southeast quarter of Section 35, Township 2 North, Range 7 East, said point being the boundary of the Tonto National Forest and Usery Mountain Semi-Regional Park;
4. thence, northerly along the Tonto National Forest Boundary, which is generally the western line of the east half of Sections 26 and 35 of Township 2 North, Range 7 East, to a point which is where the quarter section line intersects with the northern line of Section 26, Township 2 North, Range 7 East, said point also being the northeast corner of the Usery Mountain Semi-Regional Park;
5. thence, westerly along the Tonto National Forest Boundary, which is generally the south line of Sections 19, 20, 21 and 22 and the southern line of the west half of Section 23, Township 2 North, Range 7 East, to a point whcih is the southwest corner of Section 19, Township 2 North, Range 7 East;
6. thence, northeasterly along the Tonto National Forest Boundary to a point where the Tonto National Forest Boundary intersects with the eastern boundary of the Salt River Indian Reservation, generally described as the center line of the Salt River Channel;
7. thence, northeasterly and northerly along the common boundary of the Tonto National Forest and the Salt River Indian Reservation to a point which is the northeast corner of the Salt River Indian Reservation and the southeast corner of the Fort McDowell Indian Reservation, as shown on the plat dated July 22, 1902, and recorded with the U.S. Government on June 15, 1902;
8. thence, northeasterly along the common boundary between the Tonto National Forest and the Fort McDowell Indian Reservation to a point which is the northeast corner of the Fort McDowell Indian Reservation;
9. thence, southwesterly along the northern boundary of the Fort McDowell Indian Reservation, which line is a common boundary with the Tonto National Forest, to a point where the boundary intersects with the eastern line of Section 12, Township 4 North, Range 6 East;
10. thence, northerly along the eastern line of Range 6 East to a point where the eastern line of Range 6 East intersects with the southern line of Township 5 North, said line is the boundary between the Tonto National Forest and the east boundary of McDowell Mountain Regional Park;
11. thence, westerly along the southern line of Township 5 North to a point where the southern line intersects with the eastern line of Range 5 East which line is the boundary of Tonto National Forest and the north boundary of McDowell Mountain Regional Park;
12. thence, northerly along the eastern line of Range 5 East to a point where the eastern line of Range 5 East intersects with the northern line of Township 5 North, which line is the boundary of the Tonto National Forest;
13. thence, westerly along the northern line of Township 5 North to a point where the northern line of Township 5 North intersects with the easterly line of Range 4 East, said line is the boundary of Tonto National Forest;
14. thence, northerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects with the northern line of Township 6 North, which line is the boundary of the Tonto National Forest;
15. thence, westerly along the northern line of Township 6 North to a point of intersection with the Maricopa-Yavapai County line, which is generally described in Arizona Revised Statutes Section 11-109 as the center line of the Aqua Fria River (Also the north end of Lake Pleasant);
16. thence, southwesterly and southerly along the Maricopa-Yavapai County line to a point which is described by Arizona Revised Statutes Section 11-109 as being on the center line of the Aqua Fria River, two miles southerly and below the mouth of Humbug Creek;
17. thence, southerly along the center line of Aqua Fria River to the intersection of the center line of the Aqua Fria River and the center line of Beardsley Canal, said point is generally in the northeast quarter of Section 17, Township 5 North, Range 1 East, as shown on the U.S. Geological Survey's Baldy Mountain, Arizona Quadrangle Map, 7.5 Minute series (Topographic), dated 1964;
18. thence, southwesterly and southerly along the center line of Beardsley Canal to a point which is the center line of Beardsley Canal where it intersects with the center line of Indian School Road;
19. thence, westerly along the center line of West Indian School Road to a point where the center line of West Indian School Road intersects with the center line of North Jackrabbit Trail;
20. thence, southerly along the center line of Jackrabbit Trail approximately nine and three-quarter miles to a point where the center line of Jackrabbit Trail intersects with the Gila River, said point is generally on the north-south quarter section line of Section 8, Township 1 South, Range 2 West;
21. thence, northeasterly and easterly up the Gila River to a point where the Gila River intersects with the northern extension of the western boundary of Estrella Mountain Regional Park, which point is generally the quarter corner of the northern line of Section 31, Township 1 North, Range 1 West;
22. thence, southerly along the extension of the western boundary and along the western boundary of Estrella Mountain Regional Park to a point where the southern extension of the western boundary of Estrella Mountain Regional Park intersects with the southern line of Township 1 South;
23. thence, easterly along the southern line of Township 1 South to a point where the south line of Township 1 South intersects with the western line of Range 1 East, which line is generally the southern boundary of Estrella Mountain Regional Park;
24. thence, southerly along the western line of Range 1 East to the southwest corner of Section 18, Township 2 South, Range 1 East, said line is the western boundary of the Gila River Indian Reservation;
25. thence, easterly along the southern boundary of the Gila River Indian Reservation which is the southern line of Sections 13, 14, 15, 16, 17, and 18, Township 2 South, Range 1 East, to the boundary between Maricopa and Pinal Counties as described in Arizona Revised Statutes Sections 11-109 and 11-113, which is the eastern line of Range 1 East;
26. thence, northerly along the eastern boundary of Range 1 East, which is the common boundary between Maricopa and Pinal Counties, to a point where the eastern line of Range 1 East intersects the Gila River;
27. thence, southerly up the Gila River to a point where the Gila River intersects with the southern line of Township 2 South; and
28. thence, easterly along the southern line of Township 2 South to the point of beginning which is a point where the southern line of Township 2 South intersects with the easter line Range 7 East;
29. except that portion of the area defined by paragraphs 1 through 28 above that lies within the Gila River Indian Reservation.
Tucson Area: 7/10/00 Attainment
Pima County (part) Township and Ranges as follows: T11-12S, R12-14E; T13-15S; R11-16E; and T16S, R12-16E Gila and Salt River Baseline and Meridian excluding portions of the Saguaro National Park and the Coronado National Forest.
Rest of State 11/15/90 Nonclassifiable/
Attainment
Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County (part)
Area outside Phoenix Area:
Mohave County
Navajo County
Pima County (part)
Area outside Tucson Area:
Pinal County
Santa Cruz County
Yavapai County
Yuma County

1This date is November 15, 1990, unless otherwise noted.

Arizona—Ozone (1-Hour Standard)2

Open Table
Designated area Designation Classification
Date1 Type Date1 Type
Phoenix Area: Maricopa County (part) 6/14/05 Attainment
Phoenix nonattainment Forest area boundary:
1. Commencing at a point which is the intersection of the eastern line of Range 7 East, Gila and Salt River Baseline and Meridian, and the southern line of Township 2 South, said point is the southeastern corner of the Maricopa Association of Governments Urban Planning Area, which is the point of beginning;
2. Thence, proceed northerly along the eastern line of Range 7 East which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes Section 11-109, to a point where the eastern line of Range 7 East intersects the northern line of Township 1 North, said point is also the intersection of the Maricopa County Line and the Tonto National Forest Boundary, as established by Executive Order 869 dated July 1, 1908, as amended and shown on the U.S. Forest Service 1969 Planimetric Maps;
3. Thence, westerly along the northern line of Township 1 North to approximately the southwest corner of the southeast quarter of Section 35, Township 2 North, Range 7 East, said point being the boundary of the Tonto National Forest and Usery Mountain Semi-Regional Park;
4. Thence, northerly along the Tonto National Forest Boundary, which is generally the western line of the east half of Sections 26 and 35 of Township 2 North, Range 7 East, to a point which is where the quarter section line intersects with the northern line of Section 26, Township 2 North, Range 7 East, said point also being the northeast corner of the Usery Mountain Semi-Regional Park;
5. Thence, westerly along the Tonto National Forest Boundary, which is generally the south line of Sections 19, 20, 21 and 22 and the southern line of the west half of Section 23, Township 2 North, Range 7 East, to a point which is the southwest corner of Section 19, Township 2 North, Range 7 East;
6. Thence, northerly along the Tonto National Forest Boundary to a point where the Tonto National Forest Boundary intersects with the eastern boundary of the Salt River Indian Reservation, generally described as the center line of the Salt River Channel;
7. Thence, northeasterly and northerly along the common boundary of the Tonto National Forest and the Salt River Indian Reservation to a point which is the northeast corner of the Salt River Indian Reservation and the southeast corner of the Fort McDowell Indian Reservation, as shown on the plat dated July 22, 1902, and recorded with the U.S. Government on June 15, 1902;
8. Thence, northeasterly along the common boundary between the Tonto National Forest and the Fort McDowell Indian Reservation to a point which is the northeast corner of the Fort McDowell Indian Reservation;
9. Thence, southwesterly along the northern boundary of the Fort McDowell Indian Reservation, which line is a common boundary with the Tonto National Forest, to a point where the boundary intersects with the eastern line of Section 12, Township 4 North, Range 6 East;
10. Thence, northerly along the eastern line of Range 6 East to a point where the eastern line of Range 6 East intersects with the southern line of Township 5 North, said line is the boundary between the Tonto National Forest and the east boundary of McDowell Mountain Regional Park;
11. Thence, westerly along the southern line of Township 5 North to a point where the southern line intersects with the eastern line of Range 5 East which line is the boundary of Tonto National Forest and the north boundary of McDowell Mountain Regional Park;
12. Thence, northerly along the eastern line of Range 5 East to a point where the eastern line of Range 5 East intersects with the northern line of Township 5 North, which line is the boundary of the Tonto National Forest;
13. Thence, westerly along the northern line of Township 5 North to a point where the northern line of Township 5 North intersects with the easterly line of Range 4 East, said line is the boundary of Tonto National Forest;
14. Thence, northerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects with the northern line of Township 6 North, which line is the boundary of the Tonto National Forest;
15. Thence, westerly along the northern line of Township 6 North to a point of intersection with the Maricopa-Yavapai County line, which is generally described in Arizona Revised Statutes Section 11-109 as the center line of the Aqua Fria River (Also the north end of Lake Pleasant);
16. Thence, southwesterly and southerly along the Maricopa-Yavapai County line to a point which is described by Arizona Revised Statutes Section 11-109 as being on the center line of the Aqua Fria River, two miles southerly and below the mouth of Humbug Creek;
17. Thence, southerly along the center line of Aqua Fria River to the intersection of the center line of the Aqua Fria River and the center line of Beardsley Canal, said point is generally in the northeast quarter of Section 17, Township 5 North, Range 1 East, as shown on the U.S. Geological Survey's Baldy Mountain, Arizona Quadrangle Map, 7.5 Minute series (Topographic), dated 1964;
18. Thence, southwesterly and southerly along the center line of Beardsley Canal to a point which is the center line of Beardsley Canal where it intersects with the center line of Indian School Road;
19. Thence, westerly along the center line of West Indian School Road to a point where the center line of West Indian School Road intersects with the center line of North Jackrabbit Trail;
20. Thence, southerly along the center line of Jackrabbit Trail approximately nine and three-quarter miles to a point where the center line of Jackrabbit Trail intersects with the Gila River, said point is generally on the north-south quarter section line of Section 8, Township 1 South, Range 2 West;
21. Thence, northeasterly and easterly up the Gila River to a point where the Gila River intersects with the northern extension of the western boundary of Estrella Mountain Regional Park, which point is generally the quarter corner of the northern line of Section 31, Township 1 North, Range 1 West;
22. Thence, southerly along the extension of the western boundary and along the western boundary of Estrella Mountain Regional Park to a point where the southern extension of the western boundary of Estrella Mountain Regional Park intersects with the southern line of Township 1 South;
23. Thence, easterly along the southern line of Township 1 South to a point where the south line of Township 1 South intersects with the western line of Range 1 East, which line is generally the southern boundary of Estrella Mountain Regional Park;
24. Thence, southerly along the western line of Range 1 East to the southwest corner of Section 18, Township 2 South, Range 1 East, said line is the western boundary of the Gila River Indian Reservation;
25. Thence, easterly along the southern boundary of the Gila River Indian Reservation which is the southern line of Sections 13, 14, 15, 16, 17, and 18, Township 2 South, Range 1 East, to the boundary between Maricopa and Pinal Counties as described in Arizona Revised Statutes Sections 11-109 and 11-113, which is the eastern line of Range 1 East;
26. Thence, northerly along the eastern boundary of Range 1 East, which is the common boundary between Maricopa and Pinal Counties, to a point where the eastern line of Range 1 East intersects the Gila River;
27. Thence, southerly up the Gila River to a point where the Gila River intersects with the southern line of Township 2 South;
28. Thence, easterly along the southern line of Township 2 South to the point of beginning which is a point where the southern line of Township 2 South intersects with the eastern line Range 7 East;
29. Except that portion of the area defined by paragraphs 1 through 28 above that lies within the Gila River Indian Reservation.
Tucson Area:
Pima County (part)
Tuscon area Unclassifiable/Attainment
Rest of State Unclassifiable/Attainment
Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County (part) area outside of Phoenix
Mohave County
Navajo County
Pima County (part) Remainder of county
Pinal County
Santa Cruz County
Yavapai County
Yuma County

1This date is October 18, 2000, unless otherwise noted.

2The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Arizona.

Arizona—PM-10

Open Table
Designated Area Designation Classification
Date Type Date Type
Cochise County:
Paul Spur/Douglas planning area 11/15/90 Nonattainment 11/15/90 Moderate.
Township 23 South, Range 25 East (T23S, R25E):
T23S,R26E
T23S, R27E
T23S, R28E
T24S, R25E
T24S, R26E
T24S, R27E
T24S, R28E
Santa Cruz County:
Nogales planning area 11/15/90 Nonattainment 11/15/90 Moderate.
The portions of the following Townships which are within the State of Arizona and lie east of 111 degrees longitude: T23S, R13E, T23S, R14E, T24S, R13E, T24S, R14E
Pima County:
Rillito planning area 11/15/90 Nonattainment 11/15/90 Moderate.
Townships: T11S, R9E, T11S, R10E, T11S, R11E, T11S, R12E, T12S, R8E, T12S, R9E, T12S, R10E, T12S, R11E, T12S, R12E
Ajo planning area 11/15/90 Nonattainment 11/15/90 Moderate.
Township T12S, R6W, and the following sections of Township T12S, R5W:
a. Sections 6-8
b. Sections 17-20, and
c. Sections 29-32
Maricopa County:
Phoenix planning area 11/15/90 Nonattainment 6/10/96 Serious.
T6N, R1-3W, R1-7E; T5N, R1-3W, R1-7E; T4N, R1-3W, R1-7E; T3N, R1-3W, R1-7E; T2N, R1-3W, R1-7E; T1N, R1-3W, R1-7E; T1S, R1-3W, R1-7E; T2S, R1-3W, R1-7E
Pinal County:
Phoenix planning area
T1N, R8E 11/15/90 Nonattainment 6/10/96 Serious.
Yuma County:
Yuma planning area 11/15/90 Nonattainment 11/15/90 Moderate.
Townships:
T7S-R21W, R22W;
T8S-R21W, R22W, R23W, R24W
T9S-R21W, R22W, R23W, R24W, R25W;
T10S-R21W, R22W, R23W, R24W, R25W
Pinal and Gila Counties:
Hayden planning area
T1S, R13E (sections 7-36); T1S, R14E (sections 25-36);T2S, R13E; T2S, R14E; T2S, R15E; T3S, R13E; T3S, R14E; T3S, R15E; T3S, R16E (except that portion in the San Carlos Apache Indian Reservation); T4S, R13E; T4S, R14E; T4S, R15E; T4S, R16E; T5S, R13E; T5S, R14E; T5S, R15E; T5S, R16E; T6S, R13E; T6S, R14E; T6S, R15E; and T6S, R16E		 11/15/90 Nonattainment 11/15/90 Moderate.
Miami planning area
T1N, R13E; T1N, R14E; T1N, R15E; T1S, R13E (sections 1-6); T1S, R14E (sections 124); T1S, R141⁄2 E; and T1S, R15E		 11/15/90 Nonattainment 11/15/90 Moderate.
Gila County (part):
Payson: T10N, sections 1-3,
10-15, 22-27, and 34-36 of R9E; T11N, sections 1-3, 10-15, 22-27, and 34-36 of R9E; T10-11N, R10E; T10N, sections 4-9, 16-21, and 28-33 of R11E; T11N, sections 4-9, 16-21, and 28-33 of R11E		 08/26/02 Attainment        
Mohave County (part): August 26, 2002 Attainment
Bullhead City: T21N, R21W, excluding Lake Mead National Recreation Area: T20N, R21-22W; T19N, R22W excluding Fort Mohave Indian Reservation
Pinal County (part)
West Pinal 7/2/12 Nonattainment 7/2/12 Moderate.
1. Commencing at a point which is the intersection of the western line of Range 2 East, Gila and Salt River Baseline and Meridian, and the northern line of Township 4 South, which is the point of beginning:
2. Thence, proceed easterly along the northern line of Township 4 South to a point where the northern line of Township 4 South intersects the western line of Range 7 East;
3. Thence, northerly along the western line of Range 7 East to a point where the western line of Range 7 East intersects the northern line of Township 3 South;
4. Thence, easterly along the northern line of Township 3 South to a point where the northern line of Township 3 South intersects the western line of Range 8 East;
5. Thence, northerly along the western line of Range 8 East to a point where the western line of Range 8 East intersects the northern line of Township 1 South;
6. Thence, easterly along the northern line of Township 1 South to a point where the northern line of Township 1 South intersects the eastern line of Range 8 East;
7. Thence southerly along the eastern line of Range 8 East to a point where the eastern line of Range 8 East intersects the Northern line of Township 3 South;
8. Thence easterly along the northern line of Township 3 South to a point where the northern line of Township 3 South intersects the eastern line of Range 9 East;
9. Thence southerly along the eastern line of Range 9 east to a point where the eastern line of Range 9 East intersects the northern line of Township 4 South;
10. Thence easterly along the northern line of Township 4 South to a point where the northern line of Township 4 South intersects the eastern line of Range 10 East;
11. Thence southerly along the eastern line of Range 10 East to a point where the eastern line of Range 10 East intersects the southern line of Township 5 South;
12. Thence westerly along the southern line of Township 5 South to a point where the southern line of Township 5 South intersects the eastern line of Range 8 East;
13. Thence southerly along the eastern line of Range 8 East to a point where the eastern line of Range 8 East intersects the northern line of Township 8 South;
14. Thence easterly along the northern line of Township 8 South to a point where the northern line of Township 8 South intersects the eastern line of Range 9 East;
15. Thence southerly along the eastern line of Range 9 east to a point where the eastern line of Range 9 East intersects the northern line of Township 9 South;
16. Thence easterly along the northern line of Township 9 South to a point where the northern line of Township 9 South intersects the eastern line of Range 10 East;
17. Thence southerly along the eastern line of Range 10 East to a point where the eastern line of Range 10 East intersects the southern line of Township 9 South;
18. Thence westerly along the southern line of Township 9 South to a point where the southern line of Township 9 South intersects the western line of Range 7 East;
19. Thence northerly along the western line of Range 7 East to a point where the western line of Range 7 East intersects the southern line of Township 8 South;
20. Thence westerly along the southern line of Township 8 South to a point where the southern line of Township 8 South intersects the western line of Range 6 East;
21. Thence northerly along the western line of Range 6 East to a point where the western line of Range 6 East intersects the southern line of Township 7 South;
22. Thence, westerly along the southern line of Township 7 South to a point where the southern line of Township 7 South intersects the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of section 34, Range 3 East and Township 7 South;
23. Thence, northerly along the along the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, to a point where the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, intersects the northern line of section 15, Range 3 East and Township 7 South;
24. Thence, westerly along the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, to a point where the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, intersect the western line of Range 2 East, which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes sections 11-109 and 11-113;
25. Thence, northerly along the western line of Range 2 East to the point of beginning which is the point where the western line of Range 2 East intersects the northern line of Township 4 South;
26. Except that portion of the area defined by paragraphs 1 through 25 above that lies within the Ak-Chin Indian Reservation, Gila River Indian Reservation, and the Tohono O'odham Nation's Florence Village and San Lucy Farms.
Rest of State 11/15/90 Unclassifiable        

Arizona—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Open Table
Designated area Designationa Classification
Date1 Type Date Type
Statewide:
Apache County Unclassifiable/Attainment
Cochise County Unclassifiable/Attainment
Coconino County Unclassifiable/Attainment
Gila County Unclassifiable/Attainment
Graham County Unclassifiable/Attainment
Greenlee County Unclassifiable/Attainment
La Paz County Unclassifiable/Attainment
Maricopa County Unclassifiable/Attainment
Mohave County Unclassifiable/Attainment
Navajo County Unclassifiable/Attainment
Pima County Unclassifiable/Attainment
Pinal County Unclassifiable/Attainment
Santa Cruz County Unclassifiable/Attainment
Yavapai County Unclassifiable/Attainment
Yuma County Unclassifiable/Attainment

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is 90 days after January 5, 2005, unless otherwise noted.

Arizona—2012 Annual PM2.5 NAAQS

[Primary]

Open Table
Designated area1 Designation Classification
Date2 Type Date2 Type
Statewide:
Apache County Unclassifiable/Attainment
Cochise County Unclassifiable/Attainment
Coconino County Unclassifiable/Attainment
Gila County Unclassifiable/Attainment
Graham County Unclassifiable/Attainment
Greenlee County Unclassifiable/Attainment
La Paz County Unclassifiable/Attainment
Maricopa County Unclassifiable/Attainment
Mohave County Unclassifiable/Attainment
Navajo County Unclassifiable/Attainment
Pima County Unclassifiable/Attainment
Pinal County Unclassifiable/Attainment
Santa Cruz County Unclassifiable/Attainment
Yavapai County Unclassifiable/Attainment
Yuma County Unclassifiable/Attainment

1Includes areas of Indian country located in each county or area, except as otherwise specified.

2This date is April 15, 2015, unless otherwise noted.

Arizona—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Open Table
Designated area Designationa Classification
Date1 Type Date Type
Nogales:
Santa Cruz County (part) Unclassifiable/Attainment
Nogales planning area bounded as follows: The portions of the following Townships which are within the State of Arizona and lie east of 111 longitude: T23S, R13E; T23S, R14E; T24S, R13E; T24S, R14E.
West Central Pinal:
Pinal County (part) Unclassifiable/Attainment
1. Commencing at a point which is the intersection of the eastern line of Range 1 East, Gila and Salt River Baseline and Meridian, and the northern line of Township 4 South, which is the point of beginning:
2. Thence, proceed easterly along the northern line of Township 4 South to a point where the northern line of Township 4 South intersects the eastern line of Range 4 East;
3. Thence, southerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects the northern line of Township 6 South;
4. Thence, easterly along the northern line of Township 6 South to a point where the northern line of Township 6 South intersects the eastern line of Range 4 East;
5. Thence, southerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects the southern line of Township 7 South;
6. Thence, westerly along the southern line of Township 7 South to a point where the southern line of Township 7 South intersects the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of section 34, Range 3 East and Township 7 South;
7. Thence, northerly along the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, to a point where the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, intersects the northern line of section 15, Range 3 East and Township 7 South;
8. Thence, westerly along the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, to a point where the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, intersect the eastern line of Range 1 East, which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes sections 11-109 and 11-113;
9. Thence, northerly along the eastern line of Range 1 East to the point of beginning which is the point where the eastern line of Range 1 East intersects the northern line of Township 4 South;
10. Except that portion of the area defined by paragraphs 1 through 9 above that lies in Indian country.
Rest of State:
Apache County Unclassifiable/Attainment
Cochise County Unclassifiable/Attainment
Coconino County Unclassifiable/Attainment
Gila County Unclassifiable/Attainment
Graham County Unclassifiable/Attainment
Greenlee County Unclassifiable/Attainment
La Paz County Unclassifiable/Attainment
Maricopa County (remainder, excluding lands of the Gila River Indian Community) Unclassifiable/Attainment
Mohave County Unclassifiable/Attainment
Navajo County Unclassifiable/Attainment
Pima County Unclassifiable/Attainment
Pinal County (remainder, excluding lands of the Gila River Indian Community and Ak-Chin Indian Community) Unclassifiable/Attainment
Santa Cruz County (remainder) Unclassifiable/Attainment
Yavapai County Unclassifiable/Attainment
Yuma County Unclassifiable/Attainment
Lands of the Gila River Indian Community in Pinal County and Maricopa County Unclassifiable/Attainment
Lands of the Ak-Chin Indian Community in Pinal County Unclassifiable/Attainment

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is 90 days after January 5, 2005, unless otherwise noted.

Arizona—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Open Table
Designated area Designationa Classification
Date1 Type Date2 Type
Nogales:
Santa Cruz County (part) Nonattainment Moderate.
Nogales planning area bounded as follows: The portions of the following Townships which are within the State of Arizona and lie east of 111 longitude: T23S, R13E; T23S, R14E; T24S, R13E; T24S, R14E
West Central Pinal:
Pinal County (part) 3/7/11 Nonattainment Moderate.
1. Commencing at a point which is the intersection of the eastern line of Range 1 East, Gila and Salt River Baseline and Meridian, and the northern line of Township 4 South, which is the point of beginning:
2. Thence, proceed easterly along the northern line of Township 4 South to a point where the northern line of Township 4 South intersects the eastern line of Range 4 East;
3. Thence, southerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects the northern line of Township 6 South;
4. Thence, easterly along the northern line of Township 6 South to a point where the northern line of Township 6 South intersects the eastern line of Range 4 East;
5. Thence, southerly along the eastern line of Range 4 East to a point where the eastern line of Range 4 East intersects the southern line of Township 7 South;
6. Thence, westerly along the southern line of Township 7 South to a point where the southern line of Township 7 South intersects the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of section 34, Range 3 East and Township 7 South;
7. Thence, northerly along the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, to a point where the quarter section line common to the southwestern southwest quarter section and the southeastern southwest quarter section of sections 34, 27, 22, and 15, Range 3 East and Township 7 South, intersects the northern line of section 15, Range 3 East and Township 7 South;
8. Thence, westerly along the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, to a point where the northern line of sections 15, 16, 17, and 18, Range 3 East and Township 7 South, and the northern line of sections 13, 14, 15, 16, 17, and 18, Range 2 East and Township 7 South, intersect the eastern line of Range 1 East, which is the common boundary between Maricopa and Pinal Counties, as described in Arizona Revised Statutes sections 11-109 and 11-113;
9. Thence, northerly along the eastern line of Range 1 East to the point of beginning which is the point where the eastern line of Range 1 East intersects the northern line of Township 4 South;
10. Except that portion of the area defined by paragraphs 1 through 9 above that lies in Indian country.
Rest of State:
Apache County Unclassifiable/Attainment
Cochise County 3/7/11 Unclassifiable/Attainment
Coconino County Unclassifiable/Attainment
Gila County 3/7/11 Unclassifiable/Attainment
Graham County 3/7/11 Unclassifiable/Attainment
Greenlee County Unclassifiable/Attainment
La Paz County 3/7/11 Unclassifiable/Attainment
Maricopa County (remainder, excluding lands of the Gila River Indian Community) Unclassifiable/Attainment
Mohave County Unclassifiable/Attainment
Navajo County Unclassifiable/Attainment
Pima County 3/7/11 Unclassifiable/Attainment
Pinal County (remainder, excluding lands of the Gila River Indian Community and Ak-Chin Indian Community) 3/7/11 Unclassifiable/Attainment
Santa Cruz County (remainder) Unclassifiable/Attainment
Yavapai County 3/7/11 Unclassifiable/Attainment
Yuma County 3/7/11 Unclassifiable/Attainment
Lands of the Gila River Indian Community in Pinal County and Maricopa County 11/26/12 Unclassifiable/Attainment
Lands of the Ak-Chin Indian Community in Pinal County 11/26/12 Unclassifiable/Attainment

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is 30 days after November 13, 2009, unless otherwise noted.

2This date is July 2, 2014, unless otherwise noted.

Arizona—NO2 (1971 Annual Standard)

Open Table
Designated area Does not meet primary standards Cannot be classified or better than national standards
Whole State X

Arizona—NO2 (2010 1-Hour Standard)

Open Table
Designated area Designationa
Date1 Type
Apache County Unclassifiable/Attainment.
Cochise County Unclassifiable/Attainment.
Coconino County Unclassifiable/Attainment.
Gila County Unclassifiable/Attainment.
Graham County Unclassifiable/Attainment.
Greenlee County Unclassifiable/Attainment.
La Paz County Unclassifiable/Attainment.
Maricopa County Unclassifiable/Attainment.
Mohave County Unclassifiable/Attainment.
Navajo County Unclassifiable/Attainment.
Pima County Unclassifiable/Attainment.
Pinal County Unclassifiable/Attainment.
Santa Cruz County Unclassifiable/Attainment.
Yavapai County Unclassifiable/Attainment.
Yuma County Unclassifiable/Attainment.

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is 90 days after October 31, 2011, unless otherwise noted.

Arizona—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Open Table
Designated area Designationa Category/classification
Date1 Type Date1 Type
Phoenix-Mesa, AZ:
Maricopa County (part) 10/17/2014 Attainment
T1N, R1E (except that portion in Indian Country); T1N, R2E; T1N, R3E; T1N, R4E; T1N, R5E; T1N, R6E; T1N, R7E; T1N, R1W; T1N, R2W; T1N, R3W; T1N, R4W; T1N, R5W; T1N, R6W; T2N, R1E; T2N, R2E; T2N, R3E; T2N, R4E; T2N, R5E, T2N, R6E; T2N, R7E; T2N, R8E; T2N, R9E; T2N, R10E; T2N, R11E; T2N, R12E (except that portion in Gila County); T2N, R13E (except that portion in Gila County); T2N, R1W; T2N, R2W; T2N, R3W; T2N, R4W; T2N, R5W; T2N, R6W; T2N, R7W; T3N, R1E; T3N, R2E; T3N, R3E; T3N, R4E; T3N, R5E; T3N, R6E; T3N, R7E; T3N, R8E; T3N, R9E; T3N, R10E (except that portion in Gila County); T3N, R11E (except that portion in Gila County); T3N, R12E (except that portion in Gila County); T3N, R1W; T3N, R2W; T3N, R3W; T3N, R4W; T3N, R5W; T3N, R6W; T4N, R1E; T4N, R2E; T4N, R3E; T4N, R4E; T4N, R5E; T4N, R6E; T4N, R7E; T4N, R8E; T4N, R9E; T4N, R10E (except that portion in Gila County); T4N, R11E (except that portion in Gila County); T4N, R12E (except that portion in Gila County); T4N, R1W; T4N, R2W; T4N, R3W; T4N, R4W; T4N, R5W; T4N, R6W; T5N, R1E; T5N, R2E; T5N, R3E; T5N, R4E; T5N, R5E; T5N, R6E; T5N, R7E; T5N, R8E; T5N, R9E (except that portion in Gila County); T5N, R10E (except that portion in Gila County); T5N, R1W; T5N, R2W; T5N, R3W; T5N, R4W; T5N, R5W; T6N, R1E (except that portion in Yavapai County); T6N, R2E; T6N, R3E; T6N, R4E; T6N, R5E; T6N, R6E; T6N, R7E; T6N, R8E; T6N, R9E (except that portion in Gila County); T6N, R10E (except that portion in Gila County); T6N, R1W (except that portion in Yavapai County); T6N, R2W; T6N, R3W; T6N, R4W; T6N, R5W; T7N, R1E (except that portion in Yavapai County); T7N, R2E; (except that portion in Yavapai County); T7N, R3E; T7N, R4E; T7N, R5E; T7N, R6E; T7N, R7E; T7N, R8E; T7N, R9E (except that portion in Gila County); T7N, R1W (except that portion in Yavapai County); T7N, R2W (except that portion in Yavapai County); T8N, R2E (except that portion in Yavapai County); T8N, R3E (except that portion in Yavapai County); T8N, R4E (except that portion in Yavapai County); T8N, R5E (except that portion in Yavapai County); T8N, R6E (except that portion in Yavapai County); T8N, R7E (except that portion in Yavapai County); T8N, R8E (except that portion in Yavapai and Gila Counties); T8N, R9E (except that portion in Yavapai and Gila Counties); T1S, R1E (except that portion in Indian Country); T1S, R2E (except that portion in Pinal County and in Indian Country); T1S, R3E; T1S, R4E; T1S, R5E; T1S, R6E; T1S, R7E; T1S, R1W; T1S, R2W; T1S, R3W; T1S, R4W; T1S, R5W; T1S, R6W; T2S, R1E (except that portion in Indian Country); T2S, R5E; T2S, R6E; T2S, R7E; T2S, R1W; T2S, R2W; T2S, R3W; T2S, R4W; T2S, R5W; T3S, R1E; T3S, R1W; T3S, R2W; T3S, R3W; T3S, R4W; T3S, R5W; T4S, 1E; T4S, R1W; T4S, R2W; T4S, R3W; T4S, R4W; T4S, R5W.
Pinal County (part) 10/17/2014 Attainment
Apache Junction: T1N, R8E; T1S, R8E (Sections 1 through 12)
Rest of State Unclassifiable/Attainment
Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County (part) remainder
Mohave County
Navajo County
Pima County
Pinal County (part) remainder
Santa Cruz County
Yavapai County
Yuma County

aIncludes Indian Country located in each county or area, except as otherwise specified.

1This date is June 15, 2004, unless otherwise noted.

Arizona—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Open Table
Designated area Designation Classification
Date1 Type Date1 Type
Phoenix-Mesa, AZ:2     Nonattainment 6/3/16 Moderate.
Maricopa County (part)
T1N, R1E (except that portion in Indian Country); T1N, R2E; T1N, R3E; T1N, R4E; T1N, R5E; T1N, R6E; T1N, R7E; T1N, R1W; T1N, R2W; T1N, R3W; T1N, R4W; T1N, R5W; T1N, R6W; T1N, R7W; T1N, R8W; T2N, R1E; T2N, R2E; T2N, R3E; T2N, R4E; T2N, R5E; T2N, R6E; T2N, R7E; T2N, R8E; T2N, R9E; T2N, R10E; T2N, R11E; T2N, R12E (except that portion in Gila County); T2N, R13E (except that portion in Gila County); T2N, R1W; T2N, R2W; T2N, R3W; T2N, R4W; T2N, R5W; T2N, R6W; T2N, R7W; T2N, R8W; T3N, R1E; T3N, R2E; T3N, R3E; T3N, R4E; T3N, R5E; T3N, R6E; T3N, R7E; T3N, R8E; T3N, R9E; T3N, R10E (except that portion in Gila County); T3N, R11E (except that portion in Gila County); T3N, R12E (except that portion in Gila County); T3N, R1W; T3N, R2W; T3N, R3W; T3N, R4W; T3N, R5W; T3N, R6W; T4N, R1E; T4N, R2E; T4N, R3E; T4N, R4E; T4N, R5E; T4N, R6E; T4N, R7E; T4N, R8E; T4N, R9E; T4N, R10E (except that portion in Gila County); T4N, R11E (except that portion in Gila County); T4N, R12E (except that portion in Gila County); T4N, R1W; T4N, R2W; T4N, R3W; T4N, R4W; T4N, R5W; T4N, R6W; T5N, R1E; T5N, R2E; T5N, R3E; T5N, R4E; T5N, R5E; T5N, R6E; N, R8E; T5N, R9E (except that portion in Gila County); T5N, R10E (except that portion in Gila County); T5N, R1W; T5N, R2W; T5N, R3W; T5N, R4W; T5N, R5W; T6N, R1E (except that portion in Yavapai County); T6N, R2E; T6N, R3E; T6N, R4E; T6N, R5E; T6N, R6E; T6N, R7E; T6N, R8E; T6N, R9E (except that portion in Gila County); T6N, R10E (except that portion in Gila County); T6N, R1W (except that portion in Yavapai County); T6N, R2W; T6N, R3W; T6N, R4W; T6N, R5W; T7N, R1E; (except that portion in Yavapai County); T7N, R2E (except that portion in Yavapai County); T7N, R3E; T7N, R4E; T7N, R5E; T7N, R6E; T7N, R7E; T7N, R8E; T7N, R9E (except that portion in Gila County); T7N, R1W (except that portion in Yavapai County); T7N, R2W (except that portion in Yavapai County); T8N, R2E (except that portion in Yavapai County); T8N, R3E (except that portion in Yavapai County); T8N, R4E (except that portion in Yavapai County); T8N, R5E (except that portion in Yavapai County); T8N, R6E (except that portion in Yavapai County); T8N, R7E (except that portion in Yavapai County); T8N, R8E (except that portion in Yavapai and Gila Counties); T8N, R9E (except that portion in Yavapai and Gila Counties); T1S, R1E (except that portion in Indian Country); T1S, R2E (except that portion in Pinal County and in Indian Country); T1S, R3E; T1S, R4E; T1S, R5E; T1S, R6E; T1S, R7E; T1S, R1W; T1S, R2W; T1S, R3W; T1S, R4W; T1S, R5W; T1S, R6W; T2S, R1E (except that portion in Indian Country); T2S, R5E; T2S, R6E; T2S, R7E; T2S, R1W; T2S, R2W; T2S, R3W; T2S, R4W; T2S, R5W; T3S, R1E; T3S, R1W; T3S, R2W; T3S, R3W; T3S, R4W; T3S, R5W; T4S, R1E; T4S, R1W; T4S, R2W; T4S, R3W; T4S, R4W; T4S, R5W; T5S, R4W (Sections 1 through 22 and 27 through 34)
Pinal County (part) Apache Junction:
T1N, R8E; T1S, R8E (Sections 1 through 12)
Fort McDowell Yavapai Nation3
Salt River Pima-Maricopa Indian Community of the Salt River Reservation3
Tohono O'odham Nation of Arizona3
Rest of State:4 Unclassifiable/Attainment
Apache County
Cochise County
Coconino County
Gila County
Graham County
Greenlee County
La Paz County
Maricopa County (part) remainder
Mohave County
Navajo County
Pima County
Pinal County (part) remainder
Santa Cruz County
Yavapai County
Yuma County

1This date is July 20, 2012, unless otherwise noted.

2Excludes Indian country located in each area, unless otherwise noted.

3Includes Indian country of the tribe listed in this table located in the identified area. Information pertaining to areas of Indian country in this table is intended for CAA planning purposes only and is not an EPA determination of Indian country status or any Indian country boundary. EPA lacks the authority to establish Indian country land status, and is making no determination of Indian country boundaries, in this table.

4Includes any Indian country in each county or area, unless otherwise specified.

Arizona—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Open Table
Designated area1 Designation Classification
Date2 Type Date2 Type
Phoenix-Mesa, AZ Nonattainment Marginal.
Gila County (part):
T2N, R12E (except that portion in Maricopa County); T3N, R12E (except that portion in Maricopa County); T4N, R12E (Sections 25 through 29 (except those portions in Maricopa County) and 33 through 36 (except those portions in Maricopa County)).
Maricopa County (part):
T1N, R1E (except that portion in Indian Country); T1N, R2E; T1N, R3E; T1N, R4E (except that portion in Indian Country); T1N, R5E (except that portion in Indian Country); T1N, R6E; T1N, R7E; T1N, R1W; T1N, R2W; T1N, R3W; T1N, R4W; T1N, R5W; T1N, R6W; T1N, R7W; T1N, R8W; T2N, R1E; T2N, R2E; T2N, R3E; T2N, R4E; T2N, R6E (except that portion in Indian Country); T2N, R7E (except that portion in Indian Country); T2N, R8E; T2N, R9E; T2N, R10E; T2N, R11E; T2N, R12E (except that portion in Gila County); T2N, R13E (except that portion in Gila County); T2N, R1W; T2N, R2W; T2N, R3W; T2N, R4W; T2N, R5W; T2N, R6W; T2N, R7W; T2N, R8W; T3N, R1E; T3N, R2E; T3N, R3E; T3N, R4E; T3N, R5E (except that portion in Indian Country); T3N, R6E (except that portion in Indian Country); T3N, R7E (except that portion in Indian Country); T3N, R8E; T3N, R9E; T3N, R10E (except that portion in Gila County); T3N, R11E (except that portion in Gila County); T3N, R12E (except that portion in Gila County); T3N, R1W; T3N, R2W T3N, R3W; T3N, R4W; T3N, R5W; T3N, R6W; T4N, R1E; T4N, R2E; T4N, R3E; T4N, R4E; T4N, R5E; T4N, R6E (except that portion in Indian Country); T4N, R7E (except that portion in Indian Country); T4N, R8E T4N, R9E; T4N, R10E (except that portion in Gila County); T4N, R11E (except that portion in Gila County); T4N, R12E (except that portion in Gila County); T4N, R1W; T4N, R2W; T4N, R3W; T4N, R4W; T4N, R5W; T4N, R6W; T5N, R1E; T5N, R2E; T5N, R3E; T5N, R4E; T5N, R5E; T5N, R6E; T5N, R7E; T5N, R8E; T5N, R9E (except that portion in Gila County); T5N, R10E (except that portion in Gila County); T5N, R1W; T5N, R2W; T5N, R3W; T5N, R4W; T5N, R5W; T6N, R1E (except that portion in Yavapai County); T6N, R2E; T6N, R3E; T6N, R4E; T6N, R5E; T6N, R6E; T6N, R7E; T6N, R8E; T6N, R9E (except that portion in Gila County); T6N, R10E (except that portion in Gila County); T6N, R1W (except that portion in Yavapai County); T6N, R2W; T6N, R3W; T6N, R4W; T6N, R5W; T7N, R1E (except that portion in Yavapai County); T7N, R2E (except that portion in Yavapai County); T7N, R3E; T7N, R4E; T7N, R5E; T7N, R6E; T7N, R7E; T7N, R8E; T7N, R9E (except that portion in Gila County); T7N, R1W (except that portion in Yavapai County); T7N, R2W (except that portion in Yavapai County); T8N, R2E (except that portion in Yavapai County); T8N, R3E (except that portion in Yavapai County); T8N, R4E (except that portion in Yavapai County); T8N, R5E (except that portion in Yavapai County); T8N, R6E (except that portion in Yavapai County); T8N, R7E (except that portion in Yavapai County); T8N, R8E (except that portion in Yavapai and Gila Counties); T8N, R9E (except that portion in Yavapai and Gila Counties); T1S, R1E (except that portion in Indian Country); T1S, R2E (except that portion in Pinal County and in Indian Country); T1S, R3E; T1S, R4E; T1S, R5E; T1S, R6E; T1S, R7E; T1S, R1W; T1S, R2W; T1S, R3W; T1S, R4W; T1S, R5W; T1S, R6W; T2S, R1E (except that portion in Indian Country); T2S, R5E; T2S, R6E; T2S, R7E; T2S, R1W; T2S, R2W; T2S, R3W; T2S, R4W; T2S, R5W; T3S, R1E; T3S, R1W; T3S, R2W; T3S, R3W; T3S, R4W; T3S, R5W; T4S, R1E; T4S, R1W; T4S, R2W; T4S, R3W; T4S, R4W; T4S, R5W; T5S, R4W (Sections 1 through 22 and 27 through 34).
Pinal County (part):
T1N, R8E; T1N, R9E; T1N, R10E; T1S, R8E; T1S, R9E; T1S, R10E; T2S, R8E (Sections 1 through 10, 15 through 22, and 27 through 34); T2S, R9E (Sections 1 through 6); T2S, R10E (Sections 1 through 6); T3S, R7E (Sections 1 through 6, 11 through 14, 23 through 26, and 35 through 36); T3S, R8E (Sections 3 through 10, 15 through 22, and 27 through 34).
Fort McDowell Yavapai Nation:
Gila River Indian Community of the Gila River Indian Reservation, Arizona.
Includes only non-contiguous areas of Indian country known as “parcels M & N”.3
Tohono O'odham Nation of Arizona:
Salt River Pima-Maricopa Indian Community of the Salt River Reservation.
Yuma, AZ Nonattainment Marginal.
Yuma County (part):
That portion within Yuma County of the area described by the following:
1. Bounded on the north and west by the Arizona state line.
2. Bounded on the south by the line of latitude at 32°39′20″ N.
3. Bounded on the east by the line of longitude 114°33′50″ W.
4. And excluding the sections 10, 11, and 12 of township T9S, R23W and any portion in Indian Country.
Cocopah Tribe of Arizona.
Quechan Tribe of the Fort Yuma Indian Reservation.
Gila River Indian Community of the Gila River Indian Reservation, Arizona Attainment/Unclassifiable
Includes the contiguous main body of the reservation, excluding non-contiguous areas of Indian country known as “parcels M & N”.3
Rest of State Attainment/Unclassifiable
Apache County 1/16/18
Cochise County 1/16/18
Coconino County.
Gila County (part) remainder.
Graham County.
Greenlee County 1/16/18
La Paz County.
Maricopa County (part) remainder.
Mohave County.
Navajo County.
Pima County.
Pinal County (part) remainder.
Santa Cruz County 1/16/18
Yavapai County.
Yuma County (part) remainder.

1Includes any Indian country in each county or area, unless otherwise specified. EPA is not determining the boundaries of any area of Indian country in this table, including any area of Indian country located in the larger designation area. The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country.

2This date is August 3, 2018, unless otherwise noted.

3See Section 3.0 of the EPA's technical support document for Arizona, titled “Arizona Final Area Designations for the 2015 Ozone National Ambient Air Quality Standards Technical Support Document (TSD),” for more information and a map showing the locations of “parcels M & N” (available in Docket ID: EPA-HQ-OAR-2017-0548).

Arizona—2008 Lead NAAQS

Open Table
Designated area Designation for the 2008 NAAQSa
Date1 Type
Hayden, AZ:
Gila County (part) The portions of Gila County that are bounded by T4S, R14E; T4S, R15E; T4S, R16E; T5S, R15E; T5S, R16E 10-3-14 Nonattainment.
Pinal County (part) The portions of Pinal County that are bounded by: T4S, R14E; T4S, R15E; T4S, R16E (except those portions in the San Carlos Indian Reservation);T5S, R14E; T5S, R15E; T5S, R16E (except those portions in the San Carlos Indian Reservation); T6S, R14E; T6S, R15E; T6S, R16E (except those portions in the San Carlos Indian Reservation) 10-3-14 Nonattainment.
Rest of State Unclassifiable/Attainment.

aIncludes Indian Country located in each county or area, except as otherwise specified.

1December 31, 2011 unless otherwise noted.

[43 FR 8964, Mar. 3, 1978]

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