Wisconsin—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
AQCR 68:
Grant County X
AQCR 73:
Rock County X
AQCR 123:
Barron County X
Buffalo County X
Chippewa County X
Clark County X
Crawford County X
Dunn County X
Eau Claire County X
Jackson County X
LaCrosse County X
Monroe County X
Pepin County X
Pierce County X
Polk County X
St. Croix County X
Trempealeau County X
Vernon County X
AQCR 129:
Ashland County X
Bayfield County X
Burnett County X
Douglas County X
Iron County X
Price County X
Rusk County X
Sawyer County X
Taylor County X
Washburn County X
AQCR 237:
Brown County (city of Green Bay): Subcity area defined as follows X
North: Green Bay
West: W. Mason St. and Ashland Ave., along Ashland north to Matter St., west to Crocker St., north on Crocker St. to Bylsby St., then to Green Bay
South: W. Mason St. and Ashland Ave., east along Mason to Irwin Ave.
East: W. Mason St., and Irwin Ave., along Irwin Ave. north to Green Bay
Remainder of corporate limits of Green Bay X
Remainder of Brown County X
AQCR 238:
Adams County X
Florence County X
Forest County X
Juneau County X
Langlade County X
Lincoln County X
Marathon County X
Oneida County X
Portage County X
Vilas County X
Wood County X
AQCR 239:
Kenosha County X
Milwaukee County X
Ozaukee County X
Racine County X
Walworth County X
Washington County X
Waukesha County X
AQCR 240:
Columbia County X
Dane County X
Dodge County X
Green County X
Iowa County X
Jefferson County X
Lafayette County X
Richland County X
Sauk County X

Wisconsin—2010 Sulfur Dioxide NAAQS

[Primary]

Open Table
Designated Area1 4 Designation
Date2 Type
Rhinelander, WI 10/4/13 Nonattainment.
Oneida County (part)
City of Rhinelander, Crescent Town, Newbold Town, Pine Lake Town, and Pelican Town.
Columbia County, WI 9/12/16 Attainment/Unclassifiable.
Columbia County
Adams County Attainment/Unclassifiable.
Ashland County Attainment/Unclassifiable.
Barron County Attainment/Unclassifiable.
Bayfield County Attainment/Unclassifiable.
Brown County Attainment/Unclassifiable.
Buffalo County Attainment/Unclassifiable.
Burnett County Attainment/Unclassifiable.
Calment County Attainment/Unclassifiable.
Chippewa County Attainment/Unclassifiable.
Clark County Attainment/Unclassifiable.
Crawford County Attainment/Unclassifiable.
Dane County Attainment/Unclassifiable.
Dodge County Attainment/Unclassifiable.
Door County Attainment/Unclassifiable.
Douglas County Attainment/Unclassifiable.
Dunn County Attainment/Unclassifiable.
Eau Claire County Attainment/Unclassifiable.
Florence County Attainment/Unclassifiable.
Fond du Lac County Attainment/Unclassifiable.
Forest County Attainment/Unclassifiable.
Grant County Attainment/Unclassifiable.
Green County Attainment/Unclassifiable.
Green Lake County Attainment/Unclassifiable.
Iowa County Attainment/Unclassifiable.
Iron County Attainment/Unclassifiable.
Jackson County Attainment/Unclassifiable.
Jefferson County Attainment/Unclassifiable.
Juneau County Attainment/Unclassifiable.
Kenosha County Attainment/Unclassifiable.
Kewaunee County Attainment/Unclassifiable.
La Crosse County Attainment/Unclassifiable.
Lafayette County Attainment/Unclassifiable.
Langlade County Attainment/Unclassifiable.
Lincoln County Attainment/Unclassifiable.
Manitowoc County Attainment/Unclassifiable.
Marathon County Attainment/Unclassifiable.
Marinette County Attainment/Unclassifiable.
Marquette County Attainment/Unclassifiable.
Menominee County Attainment/Unclassifiable.
Milwaukee County Attainment/Unclassifiable.
Monroe County Attainment/Unclassifiable.
Oconto County Attainment/Unclassifiable.
Oneida County Attainment/Unclassifiable.
Ozaukee County Attainment/Unclassifiable.
Pepin County Attainment/Unclassifiable.
Pierce County Attainment/Unclassifiable.
Polk County Attainment/Unclassifiable.
Portage County Attainment/Unclassifiable.
Price County Attainment/Unclassifiable.
Racine County Attainment/Unclassifiable.
Richland County Attainment/Unclassifiable.
Rock County Attainment/Unclassifiable.
Rusk County Attainment/Unclassifiable.
St. Croix County Attainment/Unclassifiable.
Sauk County Attainment/Unclassifiable.
Sawyer County Attainment/Unclassifiable.
Shawano County Attainment/Unclassifiable.
Sheboygan County Attainment/Unclassifiable.
Taylor County Attainment/Unclassifiable.
Trempealeau County Attainment/Unclassifiable.
Vernon County Attainment/Unclassifiable.
Vilas County Attainment/Unclassifiable.
Walworth County Attainment/Unclassifiable.
Washburn County Attainment/Unclassifiable.
Washington County Attainment/Unclassifiable.
Waukesha County Attainment/Unclassifiable.
Waupaca County Attainment/Unclassifiable.
Waushara County Attainment/Unclassifiable.
Winnebago County Attainment/Unclassifiable.
Wood County Attainment/Unclassifiable.
Forest County Potawatomi Community Indian Tribe3 Attainment/Unclassifiable.

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 April 9, 2018, unless otherwise noted.

3Includes Indian country of the tribe listed in this table located in Forest County, Wisconsin. Information pertaining to areas of Indian country in this table is intended for Clean Air Act 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.

4Outagamie County will be designated by December 31, 2020.

Wisconsin—Carbon Monoxide

Open Table
Designated Area Designation Classification
Date1 Type Date1 Type
Oshkosh Area
Winnebago County (part)
City of Oshkosh 1/6/92 Unclassifiable 1/6/92
Adams County Unclassifiable/Attainment
Ashland County Unclassifiable/Attainment
Barron County Unclassifiable/Attainment
Bayfield County Unclassifiable/Attainment
Brown County Unclassifiable/Attainment
Buffalo County Unclassifiable/Attainment
Burnett County Unclassifiable/Attainment
Calumet County Unclassifiable/Attainment
Chippewa County Unclassifiable/Attainment
Clark County Unclassifiable/Attainment
Columbia County Unclassifiable/Attainment
Crawford County Unclassifiable/Attainment
Dane County Unclassifiable/Attainment
Dodge County Unclassifiable/Attainment
Door County Unclassifiable/Attainment
Douglas County Unclassifiable/Attainment
Dunn County Unclassifiable/Attainment
Eau Claire County Unclassifiable/Attainment
Florence County Unclassifiable/Attainment
Fond du Lac County Unclassifiable/Attainment
Forest County Unclassifiable/Attainment
Grant County Unclassifiable/Attainment
Green County Unclassifiable/Attainment
Green Lake County Unclassifiable/Attainment
Iowa County Unclassifiable/Attainment
Iron County Unclassifiable/Attainment
Jackson County Unclassifiable/Attainment
Jefferson County Unclassifiable/Attainment
Juneau County Unclassifiable/Attainment
Kenosha County Unclassifiable/Attainment
Kewaunee County Unclassifiable/Attainment
La Crosse County Unclassifiable/Attainment
Lafayette County Unclassifiable/Attainment
Langlade County Unclassifiable/Attainment
Lincoln County Unclassifiable/Attainment
Manitowoc County Unclassifiable/Attainment
Marathon County Unclassifiable/Attainment
Marinette County Unclassifiable/Attainment
Marquette County Unclassifiable/Attainment
Menominee County Unclassifiable/Attainment
Milwaukee County Unclassifiable/Attainment
Monroe County Unclassifiable/Attainment
Oconto County Unclassifiable/Attainment
Oneida County Unclassifiable/Attainment
Outagamie County Unclassifiable/Attainment
Ozaukee County Unclassifiable/Attainment
Pepin County Unclassifiable/Attainment
Pierce County Unclassifiable/Attainment
Polk County Unclassifiable/Attainment
Portage County Unclassifiable/Attainment
Price County Unclassifiable/Attainment
Racine County Unclassifiable/Attainment
Richland County Unclassifiable/Attainment
Rock County Unclassifiable/Attainment
Rusk County Unclassifiable/Attainment
St. Croix County Unclassifiable/Attainment
Sauk County Unclassifiable/Attainment
Sawyer County Unclassifiable/Attainment
Shawano County Unclassifiable/Attainment
Sheboygan County Unclassifiable/Attainment
Taylor County Unclassifiable/Attainment
Trempealeau County Unclassifiable/Attainment
Vernon County Unclassifiable/Attainment
Vilas County Unclassifiable/Attainment
Walworth County Unclassifiable/Attainment
Washburn County Unclassifiable/Attainment
Washington County Unclassifiable/Attainment
Waukesha County Unclassifiable/Attainment
Waupaca County Unclassifiable/Attainment
Waushara County Unclassifiable/Attainment
Winnebago County 10/17/94 Unclassifiable/Attainment 10/17/94
Wood County Unclassifiable/Attainment

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

Wisconsin—Ozone (1-Hour Standard)4

Open Table
Designated area Designation Classification
Date1 Type Date1 Type
Door County Area:
Door County 6/16/03 Attainment.
Kewaunee County Area:
Kewaunee County Attainment
Manitowoc County Area:
Manitowoc County 6/16/03 Attainment.
Milwaukee-Racine Area:
Kenosha County 11/15/90 Nonattainment 11/15/90 Severe-17.
Milwaukee County 11/15/90 Nonattainment 11/15/90 Severe-17.
Ozaukee County 11/15/90 Nonattainment 11/15/90 Severe-17.
Racine County 11/15/90 Nonattainment 11/15/90 Severe-17.
Washington County 11/15/90 Nonattainment 11/15/90 Severe-17.
Waukesha County 11/15/90 Nonattainment 11/15/90 Severe-17.
Sheboygan County Area:
Sheboygan County Attainment
Walworth County Area:
Walworth County Attainment
Adams County Unclassifiable/Attainment
Ashland County Unclassifiable/Attainment
Barron County Unclassifiable/Attainment
Bayfield County Unclassifiable/Attainment
Brown County Unclassifiable/Attainment
Buffalo County Unclassifiable/Attainment
Burnett County Unclassifiable/Attainment
Calumet County Unclassifiable/Attainment
Chippewa County Unclassifiable/Attainment
Clark County Unclassifiable/Attainment
Columbia County Unclassifiable/Attainment
Crawford County Unclassifiable/Attainment
Dane County Unclassifiable/Attainment
Dodge County Unclassifiable/Attainment
Douglas County Unclassifiable/Attainment
Dunn County Unclassifiable/Attainment
Eau Claire County Unclassifiable/Attainment
Florence County Unclassifiable/Attainment
Fond du Lac County Unclassifiable/Attainment
Forest County Unclassifiable/Attainment
Grant County Unclassifiable/Attainment
Green County Unclassifiable/Attainment
Green Lake County Unclassifiable/Attainment
Iowa County Unclassifiable/Attainment
Iron County Unclassifiable/Attainment
Jackson County Unclassifiable/Attainment
Jefferson County Unclassifiable/Attainment
Juneau County Unclassifiable/Attainment
La Crosse County Unclassifiable/Attainment
Lafayette County Unclassifiable/Attainment
Langlade County Unclassifiable/Attainment
Lincoln County Unclassifiable/Attainment
Marathon County Unclassifiable/Attainment
Marinette County Unclassifiable/Attainment
Marquette County Unclassifiable/Attainment
Menominee County Unclassifiable/Attainment
Monroe County Unclassifiable/Attainment
Oconto County Unclassifiable/Attainment
Oneida County Unclassifiable/Attainment
Outagamie County Unclassifiable/Attainment
Pepin County Unclassifiable/Attainment
Pierce County Unclassifiable/Attainment
Polk County Unclassifiable/Attainment
Portage County Unclassifiable/Attainment
Price County Unclassifiable/Attainment
Richland County Unclassifiable/Attainment
Rock County Unclassifiable/Attainment
Rusk County Unclassifiable/Attainment
St. Croix County Unclassifiable/Attainment
Sauk County Unclassifiable/Attainment
Sawyer County Unclassifiable/Attainment
Shawano County Unclassifiable/Attainment
Taylor County Unclassifiable/Attainment
Trempealeau County Unclassifiable/Attainment
Vernon County Unclassifiable/Attainment
Vilas County Unclassifiable/Attainment
Washburn County Unclassifiable/Attainment
Waupaca County Unclassifiable/Attainment
Waushara County Unclassifiable/Attainment
Winnebago County Unclassifiable/Attainment
Wood County Unclassifiable/Attainment

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

2Attainment date temporarily delayed until November 15, 2007.

3This date is January 16, 2001.

4The 1-hour ozone standard is revoked effective June 15, 2005 for all areas in Wisconsin. The Door Co., Kewaunee Co., Manitowoc Co., Sheboygan, and Walworth Co. areas are maintenance areas for the 1-hour NAAQS for purposes of 40 CFR part 51 subpart X.

Wisconsin—1997 Annual PM2.5 NAAQS

[Primary and Secondary]

Open Table
Designated area Designationa Classification
Date1 Type Date2 Type
Statewide:
Adams County Unclassifiable/Attainment.
Ashland County Unclassifiable/Attainment.
Barron County Unclassifiable/Attainment.
Bayfield County Unclassifiable/Attainment.
Brown County Unclassifiable/Attainment.
Buffalo County Unclassifiable/Attainment.
Burnett County Unclassifiable/Attainment.
Calumet County Unclassifiable/Attainment.
Chippewa County Unclassifiable/Attainment.
Clark County Unclassifiable/Attainment.
Columbia County Unclassifiable/Attainment.
Crawford County Unclassifiable/Attainment.
Dane County Unclassifiable/Attainment.
Dodge County Unclassifiable/Attainment.
Door County Unclassifiable/Attainment.
Douglas County Unclassifiable/Attainment.
Dunn County Unclassifiable/Attainment.
Eau Claire County Unclassifiable/Attainment.
Florence County Unclassifiable/Attainment.
Fond du Lac County Unclassifiable/Attainment.
Forest County Unclassifiable/Attainment.
Grant County Unclassifiable/Attainment.
Green County Unclassifiable/Attainment.
Green Lake County Unclassifiable/Attainment.
Iowa County Unclassifiable/Attainment.
Iron County Unclassifiable/Attainment.
Jackson County Unclassifiable/Attainment.
Jefferson County Unclassifiable/Attainment.
Juneau County Unclassifiable/Attainment.
Kenosha County Unclassifiable/Attainment.
Kewaunee County Unclassifiable/Attainment.
La Crosse County Unclassifiable/Attainment.
Lafayette County Unclassifiable/Attainment.
Langlade County Unclassifiable/Attainment.
Lincoln County Unclassifiable/Attainment.
Manitowoc County Unclassifiable/Attainment.
Marathon County Unclassifiable/Attainment.
Marinette County Unclassifiable/Attainment.
Marquette County Unclassifiable/Attainment.
Menominee County Unclassifiable/Attainment.
Milwaukee County Unclassifiable/Attainment.
Monroe County Unclassifiable/Attainment.
Oconto County Unclassifiable/Attainment.
Oneida County Unclassifiable/Attainment.
Outagamie County Unclassifiable/Attainment.
Ozaukee County Unclassifiable/Attainment.
Pepin County Unclassifiable/Attainment.
Pierce County Unclassifiable/Attainment.
Polk County Unclassifiable/Attainment.
Portage County Unclassifiable/Attainment.
Price County Unclassifiable/Attainment.
Racine County Unclassifiable/Attainment.
Richland County Unclassifiable/Attainment.
Rock County Unclassifiable/Attainment.
Rusk County Unclassifiable/Attainment.
St. Croix County Unclassifiable/Attainment.
Sauk County Unclassifiable/Attainment.
Sawyer County Unclassifiable/Attainment.
Shawano County Unclassifiable/Attainment.
Sheboygan County Unclassifiable/Attainment.
Taylor County Unclassifiable/Attainment.
Trempealeau County Unclassifiable/Attainment.
Vernon County Unclassifiable/Attainment.
Vilas County Unclassifiable/Attainment.
Walworth County Unclassifiable/Attainment.
Washburn County Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment.
Waukesha County Unclassifiable/Attainment.
Waupaca County Unclassifiable/Attainment.
Waushara County Unclassifiable/Attainment.
Winnebago County Unclassifiable/Attainment.
Wood 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.

Wisconsin—2012 Annual PM2.5 NAAQS

[Primary]

Open Table
Designated area1 Designation Classification
Date2 Type Date2 Type
Statewide:
Adams County Unclassifiable/Attainment
Ashland County Unclassifiable/Attainment
Barron County Unclassifiable/Attainment
Bayfield County Unclassifiable/Attainment
Brown County Unclassifiable/Attainment
Buffalo County Unclassifiable/Attainment
Burnett County Unclassifiable/Attainment
Calumet County Unclassifiable/Attainment
Chippewa County Unclassifiable/Attainment
Clark County Unclassifiable/Attainment
Columbia County Unclassifiable/Attainment
Crawford County Unclassifiable/Attainment
Dane County Unclassifiable/Attainment
Dodge County Unclassifiable/Attainment
Door County Unclassifiable/Attainment
Douglas County Unclassifiable/Attainment
Dunn County Unclassifiable/Attainment
Eau Claire County Unclassifiable/Attainment
Florence County Unclassifiable/Attainment
Fond du Lac County Unclassifiable/Attainment
Forest County Unclassifiable/Attainment
Grant County Unclassifiable/Attainment
Green County Unclassifiable/Attainment
Green Lake County Unclassifiable/Attainment
Iowa County Unclassifiable/Attainment
Iron County Unclassifiable/Attainment
Jackson County Unclassifiable/Attainment
Jefferson County Unclassifiable/Attainment
Juneau County Unclassifiable/Attainment
Kenosha County Unclassifiable/Attainment
Kewaunee County Unclassifiable/Attainment
La Crosse County Unclassifiable/Attainment
Lafayette County Unclassifiable/Attainment
Langlade County Unclassifiable/Attainment
Lincoln County Unclassifiable/Attainment
Manitowoc County Unclassifiable/Attainment
Marathon County Unclassifiable/Attainment
Marinette County Unclassifiable/Attainment
Marquette County Unclassifiable/Attainment
Menominee County Unclassifiable/Attainment
Milwaukee County Unclassifiable/Attainment
Monroe County Unclassifiable/Attainment
Oconto County Unclassifiable/Attainment
Oneida County Unclassifiable/Attainment
Outagamie County Unclassifiable/Attainment
Ozaukee County Unclassifiable/Attainment
Pepin County Unclassifiable/Attainment
Pierce County Unclassifiable/Attainment
Polk County Unclassifiable/Attainment
Portage County Unclassifiable/Attainment
Price County Unclassifiable/Attainment
Racine County Unclassifiable/Attainment
Richland County Unclassifiable/Attainment
Rock County Unclassifiable/Attainment
Rusk County Unclassifiable/Attainment
St. Croix County Unclassifiable/Attainment
Sauk County Unclassifiable/Attainment
Sawyer County Unclassifiable/Attainment
Shawano County Unclassifiable/Attainment
Sheboygan County Unclassifiable/Attainment
Taylor County Unclassifiable/Attainment
Trempealeau County Unclassifiable/Attainment
Vernon County Unclassifiable/Attainment
Vilas County Unclassifiable/Attainment
Walworth County Unclassifiable/Attainment
Washburn County Unclassifiable/Attainment
Washington County Unclassifiable/Attainment
Waukesha County Unclassifiable/Attainment
Waupaca County Unclassifiable/Attainment
Waushara County Unclassifiable/Attainment
Winnebago County Unclassifiable/Attainment
Wood 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.

Wisconsin—1997 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Open Table
Designated area Designationa Classification
Date1 Type Date2 Type
Milwaukee-Racine, WI:
Milwaukee County Unclassifiable/Attainment.
Racine County Unclassifiable/Attainment.
Waukesha County Unclassifiable/Attainment.
Rest of State:
Adams County Unclassifiable/Attainment.
Ashland County Unclassifiable/Attainment.
Barron County Unclassifiable/Attainment.
Bayfield County Unclassifiable/Attainment.
Brown County Unclassifiable/Attainment.
Buffalo County Unclassifiable/Attainment.
Burnett County Unclassifiable/Attainment.
Calumet County Unclassifiable/Attainment.
Chippewa County Unclassifiable/Attainment.
Clark County Unclassifiable/Attainment.
Columbia County Unclassifiable/Attainment.
Crawford County Unclassifiable/Attainment.
Dane County Unclassifiable/Attainment.
Dodge County Unclassifiable/Attainment.
Door County Unclassifiable/Attainment.
Douglas County Unclassifiable/Attainment.
Dunn County Unclassifiable/Attainment.
Eau Claire County Unclassifiable/Attainment.
Florence County Unclassifiable/Attainment.
Fond du Lac County Unclassifiable/Attainment.
Forest County Unclassifiable/Attainment.
Grant County Unclassifiable/Attainment.
Green County Unclassifiable/Attainment.
Green Lake County Unclassifiable/Attainment.
Iowa County Unclassifiable/Attainment.
Iron County Unclassifiable/Attainment.
Jackson County Unclassifiable/Attainment.
Jefferson County Unclassifiable/Attainment.
Juneau County Unclassifiable/Attainment.
Kenosha County Unclassifiable/Attainment.
Kewaunee County Unclassifiable/Attainment.
La Crosse County Unclassifiable/Attainment.
Lafayette County Unclassifiable/Attainment.
Langlade County Unclassifiable/Attainment.
Lincoln County Unclassifiable/Attainment.
Manitowoc County Unclassifiable/Attainment.
Marathon County Unclassifiable/Attainment.
Marinette County Unclassifiable/Attainment.
Marquette County Unclassifiable/Attainment.
Menominee County Unclassifiable/Attainment.
Monroe County Unclassifiable/Attainment.
Oconto County Unclassifiable/Attainment.
Oneida County Unclassifiable/Attainment.
Outagamie County Unclassifiable/Attainment.
Ozaukee County Unclassifiable/Attainment.
Pepin County Unclassifiable/Attainment.
Pierce County Unclassifiable/Attainment.
Polk County Unclassifiable/Attainment.
Portage County Unclassifiable/Attainment.
Price County Unclassifiable/Attainment.
Richland County Unclassifiable/Attainment.
Rock County Unclassifiable/Attainment.
Rusk County Unclassifiable/Attainment.
St. Croix County Unclassifiable/Attainment.
Sauk County Unclassifiable/Attainment.
Sawyer County Unclassifiable/Attainment.
Shawano County Unclassifiable/Attainment.
Sheboygan County Unclassifiable/Attainment.
Taylor County Unclassifiable/Attainment.
Trempealeau County Unclassifiable/Attainment.
Vernon County Unclassifiable/Attainment.
Vilas County Unclassifiable/Attainment.
Walworth County Unclassifiable/Attainment.
Washburn County Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment.
Waupaca County Unclassifiable/Attainment.
Waushara County Unclassifiable/Attainment.
Winnebago County Unclassifiable/Attainment.
Wood 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.

Wisconsin—2006 24-Hour PM2.5 NAAQS

[Primary and Secondary]

Open Table
Designated area Designationa Classification
Date1 Type Date2 Type
Milwaukee-Racine, WI:
Milwaukee County 4/22/14 Attainment
Racine County 4/22/14 Attainment
Waukesha County 4/22/14 Attainment
Rest of State:
Adams County Unclassifiable/Attainment.
Ashland County Unclassifiable/Attainment.
Barron County Unclassifiable/Attainment.
Bayfield County Unclassifiable/Attainment.
Brown County Unclassifiable/Attainment.
Buffalo County Unclassifiable/Attainment.
Burnett County Unclassifiable/Attainment.
Calumet County Unclassifiable/Attainment.
Chippewa County Unclassifiable/Attainment.
Clark County Unclassifiable/Attainment.
Columbia County Unclassifiable/Attainment.
Crawford County Unclassifiable/Attainment.
Dane County Unclassifiable/Attainment.
Dodge County Unclassifiable/Attainment.
Door County Unclassifiable/Attainment.
Douglas County Unclassifiable/Attainment.
Dunn County Unclassifiable/Attainment.
Eau Claire County Unclassifiable/Attainment.
Florence County Unclassifiable/Attainment.
Fond du Lac County Unclassifiable/Attainment.
Forest County Unclassifiable/Attainment.
Grant County Unclassifiable/Attainment.
Green County Unclassifiable/Attainment.
Green Lake County Unclassifiable/Attainment.
Iowa County Unclassifiable/Attainment.
Iron County Unclassifiable/Attainment.
Jackson County Unclassifiable/Attainment.
Jefferson County Unclassifiable/Attainment.
Juneau County Unclassifiable/Attainment.
Kenosha County Unclassifiable/Attainment.
Kewaunee County Unclassifiable/Attainment.
La Crosse County Unclassifiable/Attainment.
Lafayette County Unclassifiable/Attainment.
Langlade County Unclassifiable/Attainment.
Lincoln County Unclassifiable/Attainment.
Manitowoc County Unclassifiable/Attainment.
Marathon County Unclassifiable/Attainment.
Marinette County Unclassifiable/Attainment.
Marquette County Unclassifiable/Attainment.
Menominee County Unclassifiable/Attainment.
Monroe County Unclassifiable/Attainment.
Oconto County Unclassifiable/Attainment.
Oneida County Unclassifiable/Attainment.
Outagamie County Unclassifiable/Attainment.
Ozaukee County Unclassifiable/Attainment.
Pepin County Unclassifiable/Attainment.
Pierce County Unclassifiable/Attainment.
Polk County Unclassifiable/Attainment.
Portage County Unclassifiable/Attainment.
Price County Unclassifiable/Attainment.
Richland County Unclassifiable/Attainment.
Rock County Unclassifiable/Attainment.
Rusk County Unclassifiable/Attainment.
St. Croix County Unclassifiable/Attainment.
Sauk County Unclassifiable/Attainment.
Sawyer County Unclassifiable/Attainment.
Shawano County Unclassifiable/Attainment.
Sheboygan County Unclassifiable/Attainment.
Taylor County Unclassifiable/Attainment.
Trempealeau County Unclassifiable/Attainment.
Vernon County Unclassifiable/Attainment.
Vilas County Unclassifiable/Attainment.
Walworth County Unclassifiable/Attainment.
Washburn County Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment.
Waupaca County Unclassifiable/Attainment.
Waushara County Unclassifiable/Attainment.
Winnebago County Unclassifiable/Attainment.
Wood County 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.

Wisconsin—NO2 (1971 Annual Standard)

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

Wisconsin—NO2 (2010 1-Hour Standard)

Open Table
Designated area Designationa
Date1 Type
Adams County Unclassifiable/Attainment.
Ashland County Unclassifiable/Attainment.
Barron County Unclassifiable/Attainment.
Bayfield County Unclassifiable/Attainment.
Brown County Unclassifiable/Attainment.
Buffalo County Unclassifiable/Attainment.
Burnett County Unclassifiable/Attainment.
Calumet County Unclassifiable/Attainment.
Chippewa County Unclassifiable/Attainment.
Clark County Unclassifiable/Attainment.
Columbia County Unclassifiable/Attainment.
Crawford County Unclassifiable/Attainment.
Dane County Unclassifiable/Attainment.
Dodge County Unclassifiable/Attainment.
Door County Unclassifiable/Attainment.
Douglas County Unclassifiable/Attainment.
Dunn County Unclassifiable/Attainment.
Eau Claire County Unclassifiable/Attainment.
Florence County Unclassifiable/Attainment.
Fond du Lac County Unclassifiable/Attainment.
Forest County Unclassifiable/Attainment.
Grant County Unclassifiable/Attainment.
Green County Unclassifiable/Attainment.
Green Lake County Unclassifiable/Attainment.
Iowa County Unclassifiable/Attainment.
Iron County Unclassifiable/Attainment.
Jackson County Unclassifiable/Attainment.
Jefferson County Unclassifiable/Attainment.
Juneau County Unclassifiable/Attainment.
Kenosha County Unclassifiable/Attainment.
Kewaunee County Unclassifiable/Attainment.
La Crosse County Unclassifiable/Attainment.
Lafayette County Unclassifiable/Attainment.
Langlade County Unclassifiable/Attainment.
Lincoln County Unclassifiable/Attainment.
Manitowoc County Unclassifiable/Attainment.
Marathon County Unclassifiable/Attainment.
Marinette County Unclassifiable/Attainment.
Marquette County Unclassifiable/Attainment.
Menominee County Unclassifiable/Attainment.
Milwaukee County Unclassifiable/Attainment.
Monroe County Unclassifiable/Attainment.
Oconto County Unclassifiable/Attainment.
Oneida County Unclassifiable/Attainment.
Outagamie County Unclassifiable/Attainment.
Ozaukee County Unclassifiable/Attainment.
Pepin County Unclassifiable/Attainment.
Pierce County Unclassifiable/Attainment.
Polk County Unclassifiable/Attainment.
Portage County Unclassifiable/Attainment.
Price County Unclassifiable/Attainment.
Racine County Unclassifiable/Attainment.
Richland County Unclassifiable/Attainment.
Rock County Unclassifiable/Attainment.
Rusk County Unclassifiable/Attainment.
St. Croix County Unclassifiable/Attainment.
Sauk County Unclassifiable/Attainment.
Sawyer County Unclassifiable/Attainment.
Shawano County Unclassifiable/Attainment.
Sheboygan County Unclassifiable/Attainment.
Taylor County Unclassifiable/Attainment.
Trempealeau County Unclassifiable/Attainment.
Vernon County Unclassifiable/Attainment.
Vilas County Unclassifiable/Attainment.
Walworth County Unclassifiable/Attainment.
Washburn County Unclassifiable/Attainment.
Washington County Unclassifiable/Attainment.
Waukesha County Unclassifiable/Attainment.
Waupaca County Unclassifiable/Attainment.
Waushara County Unclassifiable/Attainment.
Winnebago County Unclassifiable/Attainment.
Wood 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.

Wisconsin—1997 8-Hour Ozone NAAQS

[Primary and Secondary]

Open Table
Designated area Designationa Category/classification
Date1 Type Date1 Type
Door County, WI: Door County July 12, 2010 Attainment.
Kewaunee County, WI:
Kewaunee County. 5/21/08 Attainment
Manitowoc County, WI:
Manitowoc County, WI: Manitowoc County July 12, 2010 Attainment.
Milwaukee-Racine, WI:
Kenosha County 7/31/12 Attainment
Milwaukee County
Ozaukee County
Racine County
Washington County
Waukesha County
Inland Sheboygan County, WI 7/15/2019 Nonattainment Subpart 2/Moderate.
Sheboygan County (part):
Exclusive and west of the following roadways going from the northern county boundary to the southern county boundary: Highway 43, Wilson Lima Road, Minderhaud Road, County Road KK/Town Line Road, N 10th Street, County Road A S/Center Avenue, Gibbons Road, Hoftiezer Road, Highway 32, Palmer Road/Smies Road/Palmer Road, Amsterdam Road/County Road RR, Termaat Road
Shoreline Sheboygan County, WI 7/15/2019 Nonattainment Subpart 2/Moderate.
Sheboygan County (part):
Inclusive and east of the following roadways going from the northern county boundary to the southern county boundary: Highway 43, Wilson Lima Road, Minderhaud Road, County Road KK/Town Line Road, N 10th Street, County Road A S/Center Avenue, Gibbons Road, Hoftiezer Road, Highway 32, Palmer Road/Smies Road/Palmer Road, Amsterdam Road/County Road RR, Termaat Road
Rest of State:
Adams County Unclassifiable/Attainment
Ashland County Unclassifiable/Attainment
Barron County Unclassifiable/Attainment
Bayfield County Unclassifiable/Attainment
Brown County Unclassifiable/Attainment
Buffalo County Unclassifiable/Attainment
Burnett County Unclassifiable/Attainment
Calumet County Unclassifiable/Attainment
Chippewa County Unclassifiable/Attainment
Clark County Unclassifiable/Attainment
Columbia County Unclassifiable/Attainment
Crawford County Unclassifiable/Attainment
Dane County Unclassifiable/Attainment
Dodge County Unclassifiable/Attainment
Douglas County Unclassifiable/Attainment
Dunn County Unclassifiable/Attainment
Eau Claire County. Unclassifiable/Attainment
Florence County Unclassifiable/Attainment
Fond du Lac County Unclassifiable/Attainment
Forest County Unclassifiable/Attainment
Grant County Unclassifiable/Attainment
Green County Unclassifiable/Attainment
Green Lake County Unclassifiable/Attainment
Iowa County Unclassifiable/Attainment
Iron County Unclassifiable/Attainment
Jackson County Unclassifiable/Attainment
Jefferson County Unclassifiable/Attainment
Juneau County Unclassifiable/Attainment
La Crosse County Unclassifiable/Attainment
Lafayette County Unclassifiable/Attainment
Langlade County Unclassifiable/Attainment
Lincoln County Unclassifiable/Attainment
Marathon County Unclassifiable/Attainment
Marinette County Unclassifiable/Attainment
Marquette County Unclassifiable/Attainment
Menominee County Unclassifiable/Attainment
Monroe County Unclassifiable/Attainment
Oconto County Unclassifiable/Attainment
Oneida County Unclassifiable/Attainment
Outagamie County Unclassifiable/Attainment
Pepin County Unclassifiable/Attainment
Pierce County Unclassifiable/Attainment
Polk County Unclassifiable/Attainment
Portage County Unclassifiable/Attainment
Price County Unclassifiable/Attainment
Richland County Unclassifiable/Attainment
Rock County Unclassifiable/Attainment
Rusk County Unclassifiable/Attainment
St. Croix County Unclassifiable/Attainment
Sauk County Unclassifiable/Attainment
Sawyer County Unclassifiable/Attainment
Shawano County Unclassifiable/Attainment
Taylor County Unclassifiable/Attainment
Trempealeau County Unclassifiable/Attainment
Vernon County Unclassifiable/Attainment
Vilas County Unclassifiable/Attainment
Walworth County Unclassifiable/Attainment
Washburn County Unclassifiable/Attainment
Waupaca County Unclassifiable/Attainment
Waushara County Unclassifiable/Attainment
Winnebago County Unclassifiable/Attainment
Wood County Unclassifiable/Attainment

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

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

Wisconsin—2008 8-Hour Ozone NAAQS

[Primary and Secondary]

Open Table
Designated area Designation Classification
Date1 Type Date1 Type
Chicago-Naperville, IL-IN-WI:2 Nonattainment 9/23/2019 Serious.
Kenosha County (part):
The portion of Kenosha County bounded by the Lake Michigan shoreline on the East, the Kenosha County boundary on the North, the Kenosha County boundary on the South, and the I-94 corridor (including the entire corridor) on the West
Inland Sheboygan County, WI25 7/15/2019 Nonattainment 12/19/2016 Moderate.
Sheboygan County (part):
Exclusive and west of the following roadways going from the northern county boundary to the southern county boundary: Highway 43, Wilson Lima Road, Minderhaud Road, County Road KK/Town Line Road, N 10th Street, County Road A S/Center Avenue, Gibbons Road, Hoftiezer Road, Highway 32, Palmer Road/Smies Road/Palmer Road, Amsterdam Road/County Road RR, Termaat Road
Shoreline Sheboygan County, WI25 7/15/2019 Nonattainment 12/19/2016 Moderate.
Sheboygan County (part):
Inclusive and east of the following roadways going from the northern county boundary to the southern county boundary: Highway 43, Wilson Lima Road, Minderhaud Road, County Road KK/Town Line Road, N 10th Street, County Road A S/Center Avenue, Gibbons Road, Hoftiezer Road, Highway 32, Palmer Road/Smies Road/Palmer Road, Amsterdam Road/County Road RR, Termaat Road
Adams County3 Unclassifiable/Attainment
Ashland County3 Unclassifiable/Attainment
Barron County3 Unclassifiable/Attainment
Bayfield County3 Unclassifiable/Attainment
Brown County3 Unclassifiable/Attainment
Buffalo County3 Unclassifiable/Attainment
Burnett County3 Unclassifiable/Attainment
Calumet County3 Unclassifiable/Attainment
Chippewa County3 Unclassifiable/Attainment
Clark County3 Unclassifiable/Attainment
Columbia County3 Unclassifiable/Attainment
Crawford County3 Unclassifiable/Attainment
Dane County3 Unclassifiable/Attainment
Dodge County3 Unclassifiable/Attainment
Door County3 Unclassifiable/Attainment
Douglas County3 Unclassifiable/Attainment
Dunn County3 Unclassifiable/Attainment
Eau Claire County3 Unclassifiable/Attainment
Florence County3 Unclassifiable/Attainment
Fond du Lac County3 Unclassifiable/Attainment
Forest County3 Unclassifiable/Attainment
Grant County3 Unclassifiable/Attainment
Green County3 Unclassifiable/Attainment
Green Lake County3 Unclassifiable/Attainment
Iowa County3 Unclassifiable/Attainment
Iron County3 Unclassifiable/Attainment
Jackson County3 Unclassifiable/Attainment
Jefferson County3 Unclassifiable/Attainment
Juneau County3 Unclassifiable/Attainment
Kenosha County (remainder)3 Unclassifiable/Attainment
Kewaunee County3 Unclassifiable/Attainment
La Crosse County3 Unclassifiable/Attainment
Lafayette County3 Unclassifiable/Attainment
Langlade County3 Unclassifiable/Attainment
Lincoln County3 Unclassifiable/Attainment
Manitowoc County3 Unclassifiable/Attainment
Marathon County3 Unclassifiable/Attainment
Marinette County3 Unclassifiable/Attainment
Marquette County3 Unclassifiable/Attainment
Menominee County3 Unclassifiable/Attainment
Milwaukee County3 Unclassifiable/Attainment
Monroe County3 Unclassifiable/Attainment
Oconto County3 Unclassifiable/Attainment
Oneida County3 Unclassifiable/Attainment
Outagamie County3 Unclassifiable/Attainment
Ozaukee County3 Unclassifiable/Attainment
Pepin County3 Unclassifiable/Attainment
Pierce County3 Unclassifiable/Attainment
Polk County3 Unclassifiable/Attainment
Portage County3 Unclassifiable/Attainment
Price County3 Unclassifiable/Attainment
Racine County3 Unclassifiable/Attainment
Richland County3 Unclassifiable/Attainment
Rock County3 Unclassifiable/Attainment
Rusk County3 Unclassifiable/Attainment
St. Croix County3 Unclassifiable/Attainment
Sauk County3 Unclassifiable/Attainment
Sawyer County3 Unclassifiable/Attainment
Shawano County3 Unclassifiable/Attainment
Taylor County3 Unclassifiable/Attainment
Trempealeau County3 Unclassifiable/Attainment
Vernon County3 Unclassifiable/Attainment
Vilas County3 Unclassifiable/Attainment
Walworth County3 Unclassifiable/Attainment
Washburn County3 Unclassifiable/Attainment
Washington County3 Unclassifiable/Attainment
Waukesha County3 Unclassifiable/Attainment
Waupaca County3 Unclassifiable/Attainment
Waushara County3 Unclassifiable/Attainment
Winnebago County3 Unclassifiable/Attainment
Wood County3 Unclassifiable/Attainment

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

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

3Includes any Indian country in each county or area, unless otherwise specified.

4Attainment date is extended to July 20, 2016.

5Attainment date is extended to July 20, 2019 for both Inland Sheboygan County, WI, and Shoreline Sheboygan County, WI, nonattainment areas.

Wisconsin—2015 8-Hour Ozone NAAQS

[Primary and Secondary]

Open Table
Designated area1 Designation Classification
Date2 Type Date2 Type
Chicago, IL-IN-WI Nonattainment Marginal.
Kenosha County (part):
Inclusive and east of 88th Avenue.
Door County, WI Nonattainment Marginal (Rural Transport).
Door County (part):
Newport State Park Boundary. Manitowoc County, WI Nonattainment Marginal.
Manitowoc County (part):
Inclusive and east of the following roadways going from the northern county boundary to the southern county boundary: Saxonburg Road, Zander Road, Saxonburg Road, Tapawingo Road, Tannery Road, E County Road V, Tannery Road, E Hillcrest Road, Sunset Drive, County Road VV, Manitou Drive, County Road B, Goodwin Road, N Rapids Road, S Rapids Road, Calumet Avenue, Hecker Road, Silver Creek Road, Gass Lake Road, Clover Road, Center Road, County Road F, Westview Road, County Road X, S Union Road.
Northern Milwaukee/Ozaukee Shoreline, WI Nonattainment Marginal.
Milwaukee County (part):
Northeastern corner of Milwaukee County bounded by and inclusive of the following roadways going from the northern county border to Lake Michigan: Highway 57/N. Sherman Blvd/N. 43rd Street to W. Mill Road to Highway 57/N. Green Bay Ave to W. Bender Road/Devon Street to N. Santa Monica Blvd to E. Belle Ave to southern boundary of Klode Park.
Ozaukee County (part):
Inclusive and east of County.
Road KW, Cedar Beach Road, 6 Mile Road, County Road A, Lovers Lane Road, Woodland Road, County Road KK, Willow Road, Highway 57, County Road W, N. Riverside Drive, E. Green Bay Avenue, S. Main Street, N. Green Bay Road, 12th Avenue, Wisconsin Avenue, Green Bay Road, S. Main Street, N. Cedarburg Road/Highway 57.
Sheboygan County, WI Nonattainment Marginal.
Sheboygan County (part):
Inclusive and east of the following roadways going from the northern county boundary to the southern county boundary: Highway 43, Wilson Lima Road, Minderhaud Road, County Road KK/Town Line Road, N 10th Street, County Road A S/Center Avenue, Gibbons Road, Hoftiezer Road, Highway 32, Palmer Road/Smies Road/Palmer Road, Amsterdam Road/County Road RR, Termaat Road.
Adams County 1/16/18 Attainment/Unclassifiable
Ashland County 1/16/18 Attainment/Unclassifiable
Barron County 1/16/18 Attainment/Unclassifiable
Bayfield County 1/16/18 Attainment/Unclassifiable
Brown County Attainment/Unclassifiable
Buffalo County 1/16/18 Attainment/Unclassifiable
Burnett County 1/16/18 Attainment/Unclassifiable
Calumet County Attainment/Unclassifiable
Chippewa County 1/16/18 Attainment/Unclassifiable
Clark County 1/16/18 Attainment/Unclassifiable
Columbia County 1/16/18 Attainment/Unclassifiable
Crawford County 1/16/18 Attainment/Unclassifiable
Dane County 1/16/18 Attainment/Unclassifiable
Dodge County Attainment/Unclassifiable
Door County (part) remainder Attainment/Unclassifiable
Douglas County 1/16/18 Attainment/Unclassifiable
Dunn County 1/16/18 Attainment/Unclassifiable
Eau Claire County 1/16/18 Attainment/Unclassifiable
Florence County 1/16/18 Attainment/Unclassifiable
Fond du Lac County Attainment/Unclassifiable
Forest County 1/16/18 Attainment/Unclassifiable
Grant County 1/16/18 Attainment/Unclassifiable
Green County 1/16/18 Attainment/Unclassifiable
Green Lake County 1/16/18 Attainment/Unclassifiable
Iowa County 1/16/18 Attainment/Unclassifiable
Iron County 1/16/18 Attainment/Unclassifiable
Jackson County 1/16/18 Attainment/Unclassifiable
Jefferson County Attainment/Unclassifiable
Juneau County 1/16/18 Attainment/Unclassifiable
Kenosha County (part) remainder Attainment/Unclassifiable
Kewaunee County Attainment/Unclassifiable
La Crosse County 1/16/18 Attainment/Unclassifiable
Lafayette County 1/16/18 Attainment/Unclassifiable
Langlade County 1/16/18 Attainment/Unclassifiable
Lincoln County 1/16/18 Attainment/Unclassifiable
Manitowoc County (part) remainder Attainment/Unclassifiable
Marathon County 1/16/18 Attainment/Unclassifiable
Marinette County 1/16/18 Attainment/Unclassifiable
Marquette County 1/16/18 Attainment/Unclassifiable
Menominee County 1/16/18 Attainment/Unclassifiable
Milwaukee County (part) remainder Attainment/Unclassifiable
Monroe County 1/16/18 Attainment/Unclassifiable
Oconto County 1/16/18 Attainment/Unclassifiable
Oneida County 1/16/18 Attainment/Unclassifiable
Outagamie County 1/16/18 Attainment/Unclassifiable
Ozaukee County (part) remainder Attainment/Unclassifiable
Pepin County 1/16/18 Attainment/Unclassifiable
Pierce County 1/16/18 Attainment/Unclassifiable
Polk County 1/16/18 Attainment/Unclassifiable
Portage County 1/16/18 Attainment/Unclassifiable
Price County 1/16/18 Attainment/Unclassifiable
Racine County Attainment/Unclassifiable
Richland County 1/16/18 Attainment/Unclassifiable
Rock County 1/16/18 Attainment/Unclassifiable
Rusk County 1/16/18 Attainment/Unclassifiable
St. Croix County 1/16/18 Attainment/Unclassifiable
Sauk County 1/16/18 Attainment/Unclassifiable
Sawyer County 1/16/18 Attainment/Unclassifiable
Shawano County 1/16/18 Attainment/Unclassifiable
Sheboygan County (part) remainder Attainment/Unclassifiable
Taylor County 1/16/18 Attainment/Unclassifiable
Trempealeau County 1/16/18 Attainment/Unclassifiable
Vernon County 1/16/18 Attainment/Unclassifiable
Vilas County 1/16/18 Attainment/Unclassifiable
Walworth County Attainment/Unclassifiable
Washburn County 1/16/18 Attainment/Unclassifiable
Washington County Attainment/Unclassifiable
Waukesha County Attainment/Unclassifiable
Waupaca County 1/16/18 Attainment/Unclassifiable
Waushara County 1/16/18 Attainment/Unclassifiable
Winnebago County 1/16/18 Attainment/Unclassifiable
Wood County 1/16/18 Attainment/Unclassifiable
Forest County Potawatomi Community Indian Tribe3 1/16/18 Attainment/Unclassifiable

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.

3Includes Indian country of the tribe listed in this table located in Forest County, Wisconsin. Information pertaining to areas of Indian country in this table is intended for Clean Air Act 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.

Wisconsin—2008 Lead NAAQS

Open Table
Designated area Designation for the 2008 NAAQSa
Date1 Type
Whole 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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