{"data":{"id":"us/40-cfr-81.350","jurisdiction":"us","citation":"40 CFR 81.350","heading":"Wisconsin.","body":"Wisconsin—1971 Sulfur Dioxide NAAQS\n(Primary and Secondary\nDesignated area Does not meet primary standards Does not meet secondary standards Cannot be classified Better than national standards\nAQCR 68:\nGrant County X\nAQCR 73:\nRock County X\nAQCR 123:\nBarron County X\nBuffalo County X\nChippewa County X\nClark County X\nCrawford County X\nDunn County X\nEau Claire County X\nJackson County X\nLaCrosse County X\nMonroe County X\nPepin County X\nPierce County X\nPolk County X\nSt. Croix County X\nTrempealeau County X\nVernon County X\nAQCR 129:\nAshland County X\nBayfield County X\nBurnett County X\nDouglas County X\nIron County X\nPrice County X\nRusk County X\nSawyer County X\nTaylor County X\nWashburn County X\nAQCR 237:\nBrown County (city of Green Bay): Subcity area defined as follows X\nNorth: Green Bay\nWest: 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\nSouth: W. Mason St. and Ashland Ave., east along Mason to Irwin Ave.\nEast: W. Mason St., and Irwin Ave., along Irwin Ave. north to Green Bay\nRemainder of corporate limits of Green Bay X\nRemainder of Brown County X\nAQCR 238:\nAdams County X\nFlorence County X\nForest County X\nJuneau County X\nLanglade County X\nLincoln County X\nMarathon County X\nOneida County X\nPortage County X\nVilas County X\nWood County X\nAQCR 239:\nKenosha County X\nMilwaukee County X\nOzaukee County X\nRacine County X\nWalworth County X\nWashington County X\nWaukesha County X\nAQCR 240:\nColumbia County X\nDane County X\nDodge County X\nGreen County X\nIowa County X\nJefferson County X\nLafayette County X\nRichland County X\nSauk County X\nWisconsin—2010 Sulfur Dioxide NAAQS\n[Primary]\nDesignated Area 1 Designation\nDate 2 Type\nRhinelander, WI 1/12/2022 Attainment.\nOneida County (part)\nCity of Rhinelander, Crescent Town, Newbold Town, Pine Lake Town, and Pelican Town.\nColumbia County, WI 9/12/2016 Attainment/Unclassifiable.\nColumbia County\nAdams County Attainment/Unclassifiable.\nAshland County Attainment/Unclassifiable.\nBarron County Attainment/Unclassifiable.\nBayfield County Attainment/Unclassifiable.\nBrown County Attainment/Unclassifiable.\nBuffalo County Attainment/Unclassifiable.\nBurnett County Attainment/Unclassifiable.\nCalment County Attainment/Unclassifiable.\nChippewa County Attainment/Unclassifiable.\nClark County Attainment/Unclassifiable.\nCrawford County Attainment/Unclassifiable.\nDane County Attainment/Unclassifiable.\nDodge County Attainment/Unclassifiable.\nDoor County Attainment/Unclassifiable.\nDouglas County Attainment/Unclassifiable.\nDunn County Attainment/Unclassifiable.\nEau Claire County Attainment/Unclassifiable.\nFlorence County Attainment/Unclassifiable.\nFond du Lac County Attainment/Unclassifiable.\nForest County Attainment/Unclassifiable.\nGrant County Attainment/Unclassifiable.\nGreen County Attainment/Unclassifiable.\nGreen Lake County Attainment/Unclassifiable.\nIowa County Attainment/Unclassifiable.\nIron County Attainment/Unclassifiable.\nJackson County Attainment/Unclassifiable.\nJefferson County Attainment/Unclassifiable.\nJuneau County Attainment/Unclassifiable.\nKenosha County Attainment/Unclassifiable.\nKewaunee County Attainment/Unclassifiable.\nLa Crosse County Attainment/Unclassifiable.\nLafayette County Attainment/Unclassifiable.\nLanglade County Attainment/Unclassifiable.\nLincoln County Attainment/Unclassifiable.\nManitowoc County Attainment/Unclassifiable.\nMarathon County Attainment/Unclassifiable.\nMarinette County Attainment/Unclassifiable.\nMarquette County Attainment/Unclassifiable.\nMenominee County Attainment/Unclassifiable.\nMilwaukee County Attainment/Unclassifiable.\nMonroe County Attainment/Unclassifiable.\nOconto County Attainment/Unclassifiable.\nOneida County (remainder) Attainment/Unclassifiable.\nOutagamie County 4/30/2021 Attainment/Unclassifiable.\nOzaukee County Attainment/Unclassifiable.\nPepin County Attainment/Unclassifiable.\nPierce County Attainment/Unclassifiable.\nPolk County Attainment/Unclassifiable.\nPortage County Attainment/Unclassifiable.\nPrice County Attainment/Unclassifiable.\nRacine County Attainment/Unclassifiable.\nRichland County Attainment/Unclassifiable.\nRock County Attainment/Unclassifiable.\nRusk County Attainment/Unclassifiable.\nSt. Croix County Attainment/Unclassifiable.\nSauk County Attainment/Unclassifiable.\nSawyer County Attainment/Unclassifiable.\nShawano County Attainment/Unclassifiable.\nSheboygan County Attainment/Unclassifiable.\nTaylor County Attainment/Unclassifiable.\nTrempealeau County Attainment/Unclassifiable.\nVernon County Attainment/Unclassifiable.\nVilas County Attainment/Unclassifiable.\nWalworth County Attainment/Unclassifiable.\nWashburn County Attainment/Unclassifiable.\nWashington County Attainment/Unclassifiable.\nWaukesha County Attainment/Unclassifiable.\nWaupaca County Attainment/Unclassifiable.\nWaushara County Attainment/Unclassifiable.\nWinnebago County Attainment/Unclassifiable.\nWood County Attainment/Unclassifiable.\nForest County Potawatomi Community Indian Tribe 3 Attainment/Unclassifiable.\n1 Includes 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.\n2 This date is April 9, 2018, unless otherwise noted.\n3 Includes 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.\nWisconsin—Carbon Monoxide\nDesignated Area Designation Classification\nDate 1 Type Date 1 Type\nOshkosh Area\nWinnebago County (part)\nCity of Oshkosh 1/6/1992 Unclassifiable 1/6/1992\nAdams County Unclassifiable/Attainment\nAshland County Unclassifiable/Attainment\nBarron County Unclassifiable/Attainment\nBayfield County Unclassifiable/Attainment\nBrown County Unclassifiable/Attainment\nBuffalo County Unclassifiable/Attainment\nBurnett County Unclassifiable/Attainment\nCalumet County Unclassifiable/Attainment\nChippewa County Unclassifiable/Attainment\nClark County Unclassifiable/Attainment\nColumbia County Unclassifiable/Attainment\nCrawford County Unclassifiable/Attainment\nDane County Unclassifiable/Attainment\nDodge County Unclassifiable/Attainment\nDoor County Unclassifiable/Attainment\nDouglas County Unclassifiable/Attainment\nDunn County Unclassifiable/Attainment\nEau Claire County Unclassifiable/Attainment\nFlorence County Unclassifiable/Attainment\nFond du Lac County Unclassifiable/Attainment\nForest County Unclassifiable/Attainment\nGrant County Unclassifiable/Attainment\nGreen County Unclassifiable/Attainment\nGreen Lake County Unclassifiable/Attainment\nIowa County Unclassifiable/Attainment\nIron County Unclassifiable/Attainment\nJackson County Unclassifiable/Attainment\nJefferson County Unclassifiable/Attainment\nJuneau County Unclassifiable/Attainment\nKenosha County Unclassifiable/Attainment\nKewaunee County Unclassifiable/Attainment\nLa Crosse County Unclassifiable/Attainment\nLafayette County Unclassifiable/Attainment\nLanglade County Unclassifiable/Attainment\nLincoln County Unclassifiable/Attainment\nManitowoc County Unclassifiable/Attainment\nMarathon County Unclassifiable/Attainment\nMarinette County Unclassifiable/Attainment\nMarquette County Unclassifiable/Attainment\nMenominee County Unclassifiable/Attainment\nMilwaukee County Unclassifiable/Attainment\nMonroe County Unclassifiable/Attainment\nOconto County Unclassifiable/Attainment\nOneida County Unclassifiable/Attainment\nOutagamie County Unclassifiable/Attainment\nOzaukee County Unclassifiable/Attainment\nPepin County Unclassifiable/Attainment\nPierce County Unclassifiable/Attainment\nPolk County Unclassifiable/Attainment\nPortage County Unclassifiable/Attainment\nPrice County Unclassifiable/Attainment\nRacine County Unclassifiable/Attainment\nRichland County Unclassifiable/Attainment\nRock County Unclassifiable/Attainment\nRusk County Unclassifiable/Attainment\nSt. Croix County Unclassifiable/Attainment\nSauk County Unclassifiable/Attainment\nSawyer County Unclassifiable/Attainment\nShawano County Unclassifiable/Attainment\nSheboygan County Unclassifiable/Attainment\nTaylor County Unclassifiable/Attainment\nTrempealeau County Unclassifiable/Attainment\nVernon County Unclassifiable/Attainment\nVilas County Unclassifiable/Attainment\nWalworth County Unclassifiable/Attainment\nWashburn County Unclassifiable/Attainment\nWashington County Unclassifiable/Attainment\nWaukesha County Unclassifiable/Attainment\nWaupaca County Unclassifiable/Attainment\nWaushara County Unclassifiable/Attainment\nWinnebago County 10/17/1994 Unclassifiable/Attainment 10/17/1994\nWood County Unclassifiable/Attainment\n1 This date is November 15, 1990, unless otherwise noted.\nWisconsin—Ozone (1-Hour Standard)4\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nDoor County Area:\nDoor County 6/16/2003 Attainment.\nKewaunee County Area:\nKewaunee County Attainment\nManitowoc County Area:\nManitowoc County 6/16/2003 Attainment.\nMilwaukee-Racine Area:\nKenosha County 11/15/1990 Nonattainment 11/15/1990 Severe-17.\nMilwaukee County 11/15/1990 Nonattainment 11/15/1990 Severe-17.\nOzaukee County 11/15/1990 Nonattainment 11/15/1990 Severe-17.\nRacine County 11/15/1990 Nonattainment 11/15/1990 Severe-17.\nWashington County 11/15/1990 Nonattainment 11/15/1990 Severe-17.\nWaukesha County 11/15/1990 Nonattainment 11/15/1990 Severe-17.\nSheboygan County Area:\nSheboygan County Attainment\nWalworth County Area:\nWalworth County Attainment\nAdams County Unclassifiable/Attainment\nAshland County Unclassifiable/Attainment\nBarron County Unclassifiable/Attainment\nBayfield County Unclassifiable/Attainment\nBrown County Unclassifiable/Attainment\nBuffalo County Unclassifiable/Attainment\nBurnett County Unclassifiable/Attainment\nCalumet County Unclassifiable/Attainment\nChippewa County Unclassifiable/Attainment\nClark County Unclassifiable/Attainment\nColumbia County Unclassifiable/Attainment\nCrawford County Unclassifiable/Attainment\nDane County Unclassifiable/Attainment\nDodge County Unclassifiable/Attainment\nDouglas County Unclassifiable/Attainment\nDunn County Unclassifiable/Attainment\nEau Claire County Unclassifiable/Attainment\nFlorence County Unclassifiable/Attainment\nFond du Lac County Unclassifiable/Attainment\nForest County Unclassifiable/Attainment\nGrant County Unclassifiable/Attainment\nGreen County Unclassifiable/Attainment\nGreen Lake County Unclassifiable/Attainment\nIowa County Unclassifiable/Attainment\nIron County Unclassifiable/Attainment\nJackson County Unclassifiable/Attainment\nJefferson County Unclassifiable/Attainment\nJuneau County Unclassifiable/Attainment\nLa Crosse County Unclassifiable/Attainment\nLafayette County Unclassifiable/Attainment\nLanglade County Unclassifiable/Attainment\nLincoln County Unclassifiable/Attainment\nMarathon County Unclassifiable/Attainment\nMarinette County Unclassifiable/Attainment\nMarquette County Unclassifiable/Attainment\nMenominee County Unclassifiable/Attainment\nMonroe County Unclassifiable/Attainment\nOconto County Unclassifiable/Attainment\nOneida County Unclassifiable/Attainment\nOutagamie County Unclassifiable/Attainment\nPepin County Unclassifiable/Attainment\nPierce County Unclassifiable/Attainment\nPolk County Unclassifiable/Attainment\nPortage County Unclassifiable/Attainment\nPrice County Unclassifiable/Attainment\nRichland County Unclassifiable/Attainment\nRock County Unclassifiable/Attainment\nRusk County Unclassifiable/Attainment\nSt. Croix County Unclassifiable/Attainment\nSauk County Unclassifiable/Attainment\nSawyer County Unclassifiable/Attainment\nShawano County Unclassifiable/Attainment\nTaylor County Unclassifiable/Attainment\nTrempealeau County Unclassifiable/Attainment\nVernon County Unclassifiable/Attainment\nVilas County Unclassifiable/Attainment\nWashburn County Unclassifiable/Attainment\nWaupaca County Unclassifiable/Attainment\nWaushara County Unclassifiable/Attainment\nWinnebago County Unclassifiable/Attainment\nWood County Unclassifiable/Attainment\n1 This date is October 18, 2000, unless otherwise noted.\n2 Attainment date temporarily delayed until November 15, 2007.\n3 This date is January 16, 2001.\n4 The 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.\nWisconsin—1997 Annual PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date 2 Type\nStatewide:\nAdams County Unclassifiable/Attainment.\nAshland County Unclassifiable/Attainment.\nBarron County Unclassifiable/Attainment.\nBayfield County Unclassifiable/Attainment.\nBrown County Unclassifiable/Attainment.\nBuffalo County Unclassifiable/Attainment.\nBurnett County Unclassifiable/Attainment.\nCalumet County Unclassifiable/Attainment.\nChippewa County Unclassifiable/Attainment.\nClark County Unclassifiable/Attainment.\nColumbia County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDane County Unclassifiable/Attainment.\nDodge County Unclassifiable/Attainment.\nDoor County Unclassifiable/Attainment.\nDouglas County Unclassifiable/Attainment.\nDunn County Unclassifiable/Attainment.\nEau Claire County Unclassifiable/Attainment.\nFlorence County Unclassifiable/Attainment.\nFond du Lac County Unclassifiable/Attainment.\nForest County Unclassifiable/Attainment.\nGrant County Unclassifiable/Attainment.\nGreen County Unclassifiable/Attainment.\nGreen Lake County Unclassifiable/Attainment.\nIowa County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJuneau County Unclassifiable/Attainment.\nKenosha County Unclassifiable/Attainment.\nKewaunee County Unclassifiable/Attainment.\nLa Crosse County Unclassifiable/Attainment.\nLafayette County Unclassifiable/Attainment.\nLanglade County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nManitowoc County Unclassifiable/Attainment.\nMarathon County Unclassifiable/Attainment.\nMarinette County Unclassifiable/Attainment.\nMarquette County Unclassifiable/Attainment.\nMenominee County Unclassifiable/Attainment.\nMilwaukee County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nOconto County Unclassifiable/Attainment.\nOneida County Unclassifiable/Attainment.\nOutagamie County Unclassifiable/Attainment.\nOzaukee County Unclassifiable/Attainment.\nPepin County Unclassifiable/Attainment.\nPierce County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPortage County Unclassifiable/Attainment.\nPrice County Unclassifiable/Attainment.\nRacine County Unclassifiable/Attainment.\nRichland County Unclassifiable/Attainment.\nRock County Unclassifiable/Attainment.\nRusk County Unclassifiable/Attainment.\nSt. Croix County Unclassifiable/Attainment.\nSauk County Unclassifiable/Attainment.\nSawyer County Unclassifiable/Attainment.\nShawano County Unclassifiable/Attainment.\nSheboygan County Unclassifiable/Attainment.\nTaylor County Unclassifiable/Attainment.\nTrempealeau County Unclassifiable/Attainment.\nVernon County Unclassifiable/Attainment.\nVilas County Unclassifiable/Attainment.\nWalworth County Unclassifiable/Attainment.\nWashburn County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWaukesha County Unclassifiable/Attainment.\nWaupaca County Unclassifiable/Attainment.\nWaushara County Unclassifiable/Attainment.\nWinnebago County Unclassifiable/Attainment.\nWood County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after January 5, 2005, unless otherwise noted.\nWisconsin—2012 Annual PM2.5 NAAQS\n[Primary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nStatewide:\nAdams County Unclassifiable/Attainment\nAshland County Unclassifiable/Attainment\nBarron County Unclassifiable/Attainment\nBayfield County Unclassifiable/Attainment\nBrown County Unclassifiable/Attainment\nBuffalo County Unclassifiable/Attainment\nBurnett County Unclassifiable/Attainment\nCalumet County Unclassifiable/Attainment\nChippewa County Unclassifiable/Attainment\nClark County Unclassifiable/Attainment\nColumbia County Unclassifiable/Attainment\nCrawford County Unclassifiable/Attainment\nDane County Unclassifiable/Attainment\nDodge County Unclassifiable/Attainment\nDoor County Unclassifiable/Attainment\nDouglas County Unclassifiable/Attainment\nDunn County Unclassifiable/Attainment\nEau Claire County Unclassifiable/Attainment\nFlorence County Unclassifiable/Attainment\nFond du Lac County Unclassifiable/Attainment\nForest County Unclassifiable/Attainment\nGrant County Unclassifiable/Attainment\nGreen County Unclassifiable/Attainment\nGreen Lake County Unclassifiable/Attainment\nIowa County Unclassifiable/Attainment\nIron County Unclassifiable/Attainment\nJackson County Unclassifiable/Attainment\nJefferson County Unclassifiable/Attainment\nJuneau County Unclassifiable/Attainment\nKenosha County Unclassifiable/Attainment\nKewaunee County Unclassifiable/Attainment\nLa Crosse County Unclassifiable/Attainment\nLafayette County Unclassifiable/Attainment\nLanglade County Unclassifiable/Attainment\nLincoln County Unclassifiable/Attainment\nManitowoc County Unclassifiable/Attainment\nMarathon County Unclassifiable/Attainment\nMarinette County Unclassifiable/Attainment\nMarquette County Unclassifiable/Attainment\nMenominee County Unclassifiable/Attainment\nMilwaukee County Unclassifiable/Attainment\nMonroe County Unclassifiable/Attainment\nOconto County Unclassifiable/Attainment\nOneida County Unclassifiable/Attainment\nOutagamie County Unclassifiable/Attainment\nOzaukee County Unclassifiable/Attainment\nPepin County Unclassifiable/Attainment\nPierce County Unclassifiable/Attainment\nPolk County Unclassifiable/Attainment\nPortage County Unclassifiable/Attainment\nPrice County Unclassifiable/Attainment\nRacine County Unclassifiable/Attainment\nRichland County Unclassifiable/Attainment\nRock County Unclassifiable/Attainment\nRusk County Unclassifiable/Attainment\nSt. Croix County Unclassifiable/Attainment\nSauk County Unclassifiable/Attainment\nSawyer County Unclassifiable/Attainment\nShawano County Unclassifiable/Attainment\nSheboygan County Unclassifiable/Attainment\nTaylor County Unclassifiable/Attainment\nTrempealeau County Unclassifiable/Attainment\nVernon County Unclassifiable/Attainment\nVilas County Unclassifiable/Attainment\nWalworth County Unclassifiable/Attainment\nWashburn County Unclassifiable/Attainment\nWashington County Unclassifiable/Attainment\nWaukesha County Unclassifiable/Attainment\nWaupaca County Unclassifiable/Attainment\nWaushara County Unclassifiable/Attainment\nWinnebago County Unclassifiable/Attainment\nWood County Unclassifiable/Attainment\n1 Includes areas of Indian country located in each county or area, except as otherwise specified.\n2 This date is April 15, 2015, unless otherwise noted.\nWisconsin—1997 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date 2 Type\nMilwaukee-Racine, WI:\nMilwaukee County Unclassifiable/Attainment.\nRacine County Unclassifiable/Attainment.\nWaukesha County Unclassifiable/Attainment.\nRest of State:\nAdams County Unclassifiable/Attainment.\nAshland County Unclassifiable/Attainment.\nBarron County Unclassifiable/Attainment.\nBayfield County Unclassifiable/Attainment.\nBrown County Unclassifiable/Attainment.\nBuffalo County Unclassifiable/Attainment.\nBurnett County Unclassifiable/Attainment.\nCalumet County Unclassifiable/Attainment.\nChippewa County Unclassifiable/Attainment.\nClark County Unclassifiable/Attainment.\nColumbia County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDane County Unclassifiable/Attainment.\nDodge County Unclassifiable/Attainment.\nDoor County Unclassifiable/Attainment.\nDouglas County Unclassifiable/Attainment.\nDunn County Unclassifiable/Attainment.\nEau Claire County Unclassifiable/Attainment.\nFlorence County Unclassifiable/Attainment.\nFond du Lac County Unclassifiable/Attainment.\nForest County Unclassifiable/Attainment.\nGrant County Unclassifiable/Attainment.\nGreen County Unclassifiable/Attainment.\nGreen Lake County Unclassifiable/Attainment.\nIowa County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJuneau County Unclassifiable/Attainment.\nKenosha County Unclassifiable/Attainment.\nKewaunee County Unclassifiable/Attainment.\nLa Crosse County Unclassifiable/Attainment.\nLafayette County Unclassifiable/Attainment.\nLanglade County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nManitowoc County Unclassifiable/Attainment.\nMarathon County Unclassifiable/Attainment.\nMarinette County Unclassifiable/Attainment.\nMarquette County Unclassifiable/Attainment.\nMenominee County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nOconto County Unclassifiable/Attainment.\nOneida County Unclassifiable/Attainment.\nOutagamie County Unclassifiable/Attainment.\nOzaukee County Unclassifiable/Attainment.\nPepin County Unclassifiable/Attainment.\nPierce County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPortage County Unclassifiable/Attainment.\nPrice County Unclassifiable/Attainment.\nRichland County Unclassifiable/Attainment.\nRock County Unclassifiable/Attainment.\nRusk County Unclassifiable/Attainment.\nSt. Croix County Unclassifiable/Attainment.\nSauk County Unclassifiable/Attainment.\nSawyer County Unclassifiable/Attainment.\nShawano County Unclassifiable/Attainment.\nSheboygan County Unclassifiable/Attainment.\nTaylor County Unclassifiable/Attainment.\nTrempealeau County Unclassifiable/Attainment.\nVernon County Unclassifiable/Attainment.\nVilas County Unclassifiable/Attainment.\nWalworth County Unclassifiable/Attainment.\nWashburn County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWaupaca County Unclassifiable/Attainment.\nWaushara County Unclassifiable/Attainment.\nWinnebago County Unclassifiable/Attainment.\nWood County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after January 5, 2005, unless otherwise noted.\nWisconsin—2006 24-Hour PM2.5 NAAQS\n[Primary and Secondary]\nDesignated area Designation a Classification\nDate 1 Type Date 2 Type\nMilwaukee-Racine, WI:\nMilwaukee County 4/22/2014 Attainment\nRacine County 4/22/2014 Attainment\nWaukesha County 4/22/2014 Attainment\nRest of State:\nAdams County Unclassifiable/Attainment.\nAshland County Unclassifiable/Attainment.\nBarron County Unclassifiable/Attainment.\nBayfield County Unclassifiable/Attainment.\nBrown County Unclassifiable/Attainment.\nBuffalo County Unclassifiable/Attainment.\nBurnett County Unclassifiable/Attainment.\nCalumet County Unclassifiable/Attainment.\nChippewa County Unclassifiable/Attainment.\nClark County Unclassifiable/Attainment.\nColumbia County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDane County Unclassifiable/Attainment.\nDodge County Unclassifiable/Attainment.\nDoor County Unclassifiable/Attainment.\nDouglas County Unclassifiable/Attainment.\nDunn County Unclassifiable/Attainment.\nEau Claire County Unclassifiable/Attainment.\nFlorence County Unclassifiable/Attainment.\nFond du Lac County Unclassifiable/Attainment.\nForest County Unclassifiable/Attainment.\nGrant County Unclassifiable/Attainment.\nGreen County Unclassifiable/Attainment.\nGreen Lake County Unclassifiable/Attainment.\nIowa County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJuneau County Unclassifiable/Attainment.\nKenosha County Unclassifiable/Attainment.\nKewaunee County Unclassifiable/Attainment.\nLa Crosse County Unclassifiable/Attainment.\nLafayette County Unclassifiable/Attainment.\nLanglade County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nManitowoc County Unclassifiable/Attainment.\nMarathon County Unclassifiable/Attainment.\nMarinette County Unclassifiable/Attainment.\nMarquette County Unclassifiable/Attainment.\nMenominee County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nOconto County Unclassifiable/Attainment.\nOneida County Unclassifiable/Attainment.\nOutagamie County Unclassifiable/Attainment.\nOzaukee County Unclassifiable/Attainment.\nPepin County Unclassifiable/Attainment.\nPierce County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPortage County Unclassifiable/Attainment.\nPrice County Unclassifiable/Attainment.\nRichland County Unclassifiable/Attainment.\nRock County Unclassifiable/Attainment.\nRusk County Unclassifiable/Attainment.\nSt. Croix County Unclassifiable/Attainment.\nSauk County Unclassifiable/Attainment.\nSawyer County Unclassifiable/Attainment.\nShawano County Unclassifiable/Attainment.\nSheboygan County Unclassifiable/Attainment.\nTaylor County Unclassifiable/Attainment.\nTrempealeau County Unclassifiable/Attainment.\nVernon County Unclassifiable/Attainment.\nVilas County Unclassifiable/Attainment.\nWalworth County Unclassifiable/Attainment.\nWashburn County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWaupaca County Unclassifiable/Attainment.\nWaushara County Unclassifiable/Attainment.\nWinnebago County Unclassifiable/Attainment.\nWood County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 30 days after November 13, 2009, unless otherwise noted.\n2 This date is July 2, 2014, unless otherwise noted.\nWisconsin—NO2 (1971 Annual Standard)\nDesignated area Does not meet primary standards Cannot be classified or better than national standards\nState of Wisconsin X\nWisconsin—NO2 (2010 1-Hour Standard)\nDesignated area Designation a\nDate 1 Type\nAdams County Unclassifiable/Attainment.\nAshland County Unclassifiable/Attainment.\nBarron County Unclassifiable/Attainment.\nBayfield County Unclassifiable/Attainment.\nBrown County Unclassifiable/Attainment.\nBuffalo County Unclassifiable/Attainment.\nBurnett County Unclassifiable/Attainment.\nCalumet County Unclassifiable/Attainment.\nChippewa County Unclassifiable/Attainment.\nClark County Unclassifiable/Attainment.\nColumbia County Unclassifiable/Attainment.\nCrawford County Unclassifiable/Attainment.\nDane County Unclassifiable/Attainment.\nDodge County Unclassifiable/Attainment.\nDoor County Unclassifiable/Attainment.\nDouglas County Unclassifiable/Attainment.\nDunn County Unclassifiable/Attainment.\nEau Claire County Unclassifiable/Attainment.\nFlorence County Unclassifiable/Attainment.\nFond du Lac County Unclassifiable/Attainment.\nForest County Unclassifiable/Attainment.\nGrant County Unclassifiable/Attainment.\nGreen County Unclassifiable/Attainment.\nGreen Lake County Unclassifiable/Attainment.\nIowa County Unclassifiable/Attainment.\nIron County Unclassifiable/Attainment.\nJackson County Unclassifiable/Attainment.\nJefferson County Unclassifiable/Attainment.\nJuneau County Unclassifiable/Attainment.\nKenosha County Unclassifiable/Attainment.\nKewaunee County Unclassifiable/Attainment.\nLa Crosse County Unclassifiable/Attainment.\nLafayette County Unclassifiable/Attainment.\nLanglade County Unclassifiable/Attainment.\nLincoln County Unclassifiable/Attainment.\nManitowoc County Unclassifiable/Attainment.\nMarathon County Unclassifiable/Attainment.\nMarinette County Unclassifiable/Attainment.\nMarquette County Unclassifiable/Attainment.\nMenominee County Unclassifiable/Attainment.\nMilwaukee County Unclassifiable/Attainment.\nMonroe County Unclassifiable/Attainment.\nOconto County Unclassifiable/Attainment.\nOneida County Unclassifiable/Attainment.\nOutagamie County Unclassifiable/Attainment.\nOzaukee County Unclassifiable/Attainment.\nPepin County Unclassifiable/Attainment.\nPierce County Unclassifiable/Attainment.\nPolk County Unclassifiable/Attainment.\nPortage County Unclassifiable/Attainment.\nPrice County Unclassifiable/Attainment.\nRacine County Unclassifiable/Attainment.\nRichland County Unclassifiable/Attainment.\nRock County Unclassifiable/Attainment.\nRusk County Unclassifiable/Attainment.\nSt. Croix County Unclassifiable/Attainment.\nSauk County Unclassifiable/Attainment.\nSawyer County Unclassifiable/Attainment.\nShawano County Unclassifiable/Attainment.\nSheboygan County Unclassifiable/Attainment.\nTaylor County Unclassifiable/Attainment.\nTrempealeau County Unclassifiable/Attainment.\nVernon County Unclassifiable/Attainment.\nVilas County Unclassifiable/Attainment.\nWalworth County Unclassifiable/Attainment.\nWashburn County Unclassifiable/Attainment.\nWashington County Unclassifiable/Attainment.\nWaukesha County Unclassifiable/Attainment.\nWaupaca County Unclassifiable/Attainment.\nWaushara County Unclassifiable/Attainment.\nWinnebago County Unclassifiable/Attainment.\nWood County Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is 90 days after October 31, 2011, unless otherwise noted.\nWisconsin—1997 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation a Category/classification\nDate 1 Type Date 1 Type\nDoor County, WI: Door County July 12, 2010 Attainment.\nKewaunee County, WI:\nKewaunee County. 5/21/2008 Attainment\nManitowoc County, WI:\nManitowoc County, WI: Manitowoc County July 12, 2010 Attainment.\nMilwaukee-Racine, WI:\nKenosha County 7/31/2012 Attainment\nMilwaukee County\nOzaukee County\nRacine County\nWashington County\nWaukesha County\nInland Sheboygan County, WI 7/15/2019 Nonattainment Subpart 2/Moderate.\nSheboygan County (part):\nExclusive 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\nShoreline Sheboygan County, WI 7/15/2019 Nonattainment Subpart 2/Moderate.\nSheboygan County (part):\nInclusive 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\nRest of State:\nAdams County Unclassifiable/Attainment\nAshland County Unclassifiable/Attainment\nBarron County Unclassifiable/Attainment\nBayfield County Unclassifiable/Attainment\nBrown County Unclassifiable/Attainment\nBuffalo County Unclassifiable/Attainment\nBurnett County Unclassifiable/Attainment\nCalumet County Unclassifiable/Attainment\nChippewa County Unclassifiable/Attainment\nClark County Unclassifiable/Attainment\nColumbia County Unclassifiable/Attainment\nCrawford County Unclassifiable/Attainment\nDane County Unclassifiable/Attainment\nDodge County Unclassifiable/Attainment\nDouglas County Unclassifiable/Attainment\nDunn County Unclassifiable/Attainment\nEau Claire County. Unclassifiable/Attainment\nFlorence County Unclassifiable/Attainment\nFond du Lac County Unclassifiable/Attainment\nForest County Unclassifiable/Attainment\nGrant County Unclassifiable/Attainment\nGreen County Unclassifiable/Attainment\nGreen Lake County Unclassifiable/Attainment\nIowa County Unclassifiable/Attainment\nIron County Unclassifiable/Attainment\nJackson County Unclassifiable/Attainment\nJefferson County Unclassifiable/Attainment\nJuneau County Unclassifiable/Attainment\nLa Crosse County Unclassifiable/Attainment\nLafayette County Unclassifiable/Attainment\nLanglade County Unclassifiable/Attainment\nLincoln County Unclassifiable/Attainment\nMarathon County Unclassifiable/Attainment\nMarinette County Unclassifiable/Attainment\nMarquette County Unclassifiable/Attainment\nMenominee County Unclassifiable/Attainment\nMonroe County Unclassifiable/Attainment\nOconto County Unclassifiable/Attainment\nOneida County Unclassifiable/Attainment\nOutagamie County Unclassifiable/Attainment\nPepin County Unclassifiable/Attainment\nPierce County Unclassifiable/Attainment\nPolk County Unclassifiable/Attainment\nPortage County Unclassifiable/Attainment\nPrice County Unclassifiable/Attainment\nRichland County Unclassifiable/Attainment\nRock County Unclassifiable/Attainment\nRusk County Unclassifiable/Attainment\nSt. Croix County Unclassifiable/Attainment\nSauk County Unclassifiable/Attainment\nSawyer County Unclassifiable/Attainment\nShawano County Unclassifiable/Attainment\nTaylor County Unclassifiable/Attainment\nTrempealeau County Unclassifiable/Attainment\nVernon County Unclassifiable/Attainment\nVilas County Unclassifiable/Attainment\nWalworth County Unclassifiable/Attainment\nWashburn County Unclassifiable/Attainment\nWaupaca County Unclassifiable/Attainment\nWaushara County Unclassifiable/Attainment\nWinnebago County Unclassifiable/Attainment\nWood County Unclassifiable/Attainment\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 This date is June 15, 2004, unless otherwise noted.\nWisconsin—2008 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area Designation Classification\nDate 1 Type Date 1 Type\nChicago-Naperville, IL-IN-WI: 2 4/11/2022 Attainment Serious.\nKenosha 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\nInland Sheboygan County, WI 25 7/10/2020 Attainment\nSheboygan County (part):\nExclusive 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.\nShoreline Sheboygan County, WI 2 5 7/10/2020 Attainment\nSheboygan County (part):\nInclusive 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.\nAdams County 3 Unclassifiable/Attainment\nAshland County 3 Unclassifiable/Attainment\nBarron County 3 Unclassifiable/Attainment\nBayfield County 3 Unclassifiable/Attainment\nBrown County 3 Unclassifiable/Attainment\nBuffalo County 3 Unclassifiable/Attainment\nBurnett County 3 Unclassifiable/Attainment\nCalumet County 3 Unclassifiable/Attainment\nChippewa County 3 Unclassifiable/Attainment\nClark County 3 Unclassifiable/Attainment\nColumbia County 3 Unclassifiable/Attainment\nCrawford County 3 Unclassifiable/Attainment\nDane County 3 Unclassifiable/Attainment\nDodge County 3 Unclassifiable/Attainment\nDoor County 3 Unclassifiable/Attainment\nDouglas County 3 Unclassifiable/Attainment\nDunn County 3 Unclassifiable/Attainment\nEau Claire County 3 Unclassifiable/Attainment\nFlorence County 3 Unclassifiable/Attainment\nFond du Lac County 3 Unclassifiable/Attainment\nForest County 3 Unclassifiable/Attainment\nGrant County 3 Unclassifiable/Attainment\nGreen County 3 Unclassifiable/Attainment\nGreen Lake County 3 Unclassifiable/Attainment\nIowa County 3 Unclassifiable/Attainment\nIron County 3 Unclassifiable/Attainment\nJackson County 3 Unclassifiable/Attainment\nJefferson County 3 Unclassifiable/Attainment\nJuneau County 3 Unclassifiable/Attainment\nKenosha County (remainder) 3 Unclassifiable/Attainment\nKewaunee County 3 Unclassifiable/Attainment\nLa Crosse County 3 Unclassifiable/Attainment\nLafayette County 3 Unclassifiable/Attainment\nLanglade County 3 Unclassifiable/Attainment\nLincoln County 3 Unclassifiable/Attainment\nManitowoc County 3 Unclassifiable/Attainment\nMarathon County 3 Unclassifiable/Attainment\nMarinette County 3 Unclassifiable/Attainment\nMarquette County 3 Unclassifiable/Attainment\nMenominee County 3 Unclassifiable/Attainment\nMilwaukee County 3 Unclassifiable/Attainment\nMonroe County 3 Unclassifiable/Attainment\nOconto County 3 Unclassifiable/Attainment\nOneida County 3 Unclassifiable/Attainment\nOutagamie County 3 Unclassifiable/Attainment\nOzaukee County 3 Unclassifiable/Attainment\nPepin County 3 Unclassifiable/Attainment\nPierce County 3 Unclassifiable/Attainment\nPolk County 3 Unclassifiable/Attainment\nPortage County 3 Unclassifiable/Attainment\nPrice County 3 Unclassifiable/Attainment\nRacine County 3 Unclassifiable/Attainment\nRichland County 3 Unclassifiable/Attainment\nRock County 3 Unclassifiable/Attainment\nRusk County 3 Unclassifiable/Attainment\nSt. Croix County 3 Unclassifiable/Attainment\nSauk County 3 Unclassifiable/Attainment\nSawyer County 3 Unclassifiable/Attainment\nShawano County 3 Unclassifiable/Attainment\nTaylor County 3 Unclassifiable/Attainment\nTrempealeau County 3 Unclassifiable/Attainment\nVernon County 3 Unclassifiable/Attainment\nVilas County 3 Unclassifiable/Attainment\nWalworth County 3 Unclassifiable/Attainment\nWashburn County 3 Unclassifiable/Attainment\nWashington County 3 Unclassifiable/Attainment\nWaukesha County 3 Unclassifiable/Attainment\nWaupaca County 3 Unclassifiable/Attainment\nWaushara County 3 Unclassifiable/Attainment\nWinnebago County 3 Unclassifiable/Attainment\nWood County 3 Unclassifiable/Attainment\n1 This date is July 20, 2012, unless otherwise noted.\n2 Excludes Indian country located in each area, unless otherwise noted.\n3 Includes any Indian country in each county or area, unless otherwise specified.\n4 Attainment date is extended to July 20, 2016.\n5 Attainment date is extended to July 20, 2019 for both Inland Sheboygan County, WI, and Shoreline Sheboygan County, WI, nonattainment areas.\nWisconsin—2015 8-Hour Ozone NAAQS\n[Primary and Secondary]\nDesignated area 1 Designation Classification\nDate 2 Type Date 2 Type\nChicago, IL-IN-WI 5 7/14/2021 Nonattainment 1/16/2025 Serious.\nKenosha County (part):\nThe 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.\nDoor County, WI\nDoor County (part): 6/10/2020 Attainment Marginal (Rural Transport).\nNewport State Park Boundary\nDoor County-Revised (part) 4/29/2022 Attainment Marginal (Rural Transport).\nThe portion of Door County north of Sturgeon Bay Canal excluding Newport State Park.\nManitowoc County, WI 3/31/2022 Attainment Marginal (Rural Transport).\nManitowoc County (part):\nInclusive and east of the following roadways with the boundary starting from north to south: County Road B which turns into South State Street to County Road V which turns into Forest Home Drive to South Packer Drive to West Hillcrest Road to Highway 43 to West Custer Street to Dufek Drive which turns into Highway 42\nMilwaukee, WI 5 7/14/2021 Nonattainment 1/16/2025 Serious.\nMilwaukee County.\nOzaukee County.\nRacine County (part):\nInclusive and east of the following roadways going from the northern county boundary to the southern county boundary: Highway 45 to Washington Ave. to South Beaumont Ave.\nWashington County (part):\nInclusive and east of the following roadways going from the northern county boundary to the southern county boundary: County H to N Main St/Old US Hwy 45 to WI-60 Trunk E to WI-164 S.\nWaukesha County (part):\nGoing from the western county boundary to the southern county boundary: Inclusive and north of I-94 and inclusive and east of Highway 67.\nSheboygan County, WI 5 7/14/2021 Nonattainment 1/16/2025 Serious.\nSheboygan County (part):\nInclusive and east of the following roadways with the boundary starting from north to south: Union Road which turns into County Road Y which turns into Highland Drive, to Lower Road which turns into Monroe Street, to Broadway/Main Street to Highway 32 which turns into Giddings Avenue to County Road W to County Road KW.\nAdams County 1/16/2018 Attainment/Unclassifiable\nAshland County 1/16/2018 Attainment/Unclassifiable\nBarron County 1/16/2018 Attainment/Unclassifiable\nBayfield County 1/16/2018 Attainment/Unclassifiable\nBrown County Attainment/Unclassifiable\nBuffalo County 1/16/2018 Attainment/Unclassifiable\nBurnett County 1/16/2018 Attainment/Unclassifiable\nCalumet County Attainment/Unclassifiable\nChippewa County 1/16/2018 Attainment/Unclassifiable\nClark County 1/16/2018 Attainment/Unclassifiable\nColumbia County 1/16/2018 Attainment/Unclassifiable\nCrawford County 1/16/2018 Attainment/Unclassifiable\nDane County 1/16/2018 Attainment/Unclassifiable\nDodge County Attainment/Unclassifiable\nDoor County (part) remainder Attainment/Unclassifiable\nDouglas County 1/16/2018 Attainment/Unclassifiable\nDunn County 1/16/2018 Attainment/Unclassifiable\nEau Claire County 1/16/2018 Attainment/Unclassifiable\nFlorence County 1/16/2018 Attainment/Unclassifiable\nFond du Lac County Attainment/Unclassifiable\nForest County 1/16/2018 Attainment/Unclassifiable\nGrant County 1/16/2018 Attainment/Unclassifiable\nGreen County 1/16/2018 Attainment/Unclassifiable\nGreen Lake County 1/16/2018 Attainment/Unclassifiable\nIowa County 1/16/2018 Attainment/Unclassifiable\nIron County 1/16/2018 Attainment/Unclassifiable\nJackson County 1/16/2018 Attainment/Unclassifiable\nJefferson County Attainment/Unclassifiable\nJuneau County 1/16/2018 Attainment/Unclassifiable\nKenosha County (part) remainder Attainment/Unclassifiable\nKewaunee County Attainment/Unclassifiable\nLa Crosse County 1/16/2018 Attainment/Unclassifiable\nLafayette County 1/16/2018 Attainment/Unclassifiable\nLanglade County 1/16/2018 Attainment/Unclassifiable\nLincoln County 1/16/2018 Attainment/Unclassifiable\nManitowoc County (part) remainder Attainment/Unclassifiable\nMarathon County 1/16/2018 Attainment/Unclassifiable\nMarinette County 1/16/2018 Attainment/Unclassifiable\nMarquette County 1/16/2018 Attainment/Unclassifiable\nMenominee County 1/16/2018 Attainment/Unclassifiable\nMilwaukee County (part) remainder Attainment/Unclassifiable\nMonroe County 1/16/2018 Attainment/Unclassifiable\nOconto County 1/16/2018 Attainment/Unclassifiable\nOneida County 1/16/2018 Attainment/Unclassifiable\nOutagamie County 1/16/2018 Attainment/Unclassifiable\nOzaukee County (part) remainder Attainment/Unclassifiable\nPepin County 1/16/2018 Attainment/Unclassifiable\nPierce County 1/16/2018 Attainment/Unclassifiable\nPolk County 1/16/2018 Attainment/Unclassifiable\nPortage County 1/16/2018 Attainment/Unclassifiable\nPrice County 1/16/2018 Attainment/Unclassifiable\nRacine County (part) remainder Attainment/Unclassifiable\nRichland County 1/16/2018 Attainment/Unclassifiable\nRock County 1/16/2018 Attainment/Unclassifiable\nRusk County 1/16/2018 Attainment/Unclassifiable\nSt. Croix County 1/16/2018 Attainment/Unclassifiable\nSauk County 1/16/2018 Attainment/Unclassifiable\nSawyer County 1/16/2018 Attainment/Unclassifiable\nShawano County 1/16/2018 Attainment/Unclassifiable\nSheboygan County (part) remainder Attainment/Unclassifiable\nTaylor County 1/16/2018 Attainment/Unclassifiable\nTrempealeau County 1/16/2018 Attainment/Unclassifiable\nVernon County 1/16/2018 Attainment/Unclassifiable\nVilas County 1/16/2018 Attainment/Unclassifiable\nWalworth County Attainment/Unclassifiable\nWashburn County 1/16/2018 Attainment/Unclassifiable\nWashington County (part) remainder Attainment/Unclassifiable\nWaukesha County (part) remainder Attainment/Unclassifiable\nWaupaca County 1/16/2018 Attainment/Unclassifiable\nWaushara County 1/16/2018 Attainment/Unclassifiable\nWinnebago County 1/16/2018 Attainment/Unclassifiable\nWood County 1/16/2018 Attainment/Unclassifiable\nForest County Potawatomi Community Indian Tribe 3 1/16/2018 Attainment/Unclassifiable\n1 Includes 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.\n2 This date is August 3, 2018, unless otherwise noted.\n3 Includes 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.\n4 [Reserved]\n5 EPA revised the nonattainment boundary in response to a court decision, which did not vacate any designations for the 2015 ozone NAAQS, but which remanded the designation for the identified county. Because this additional area is part of a previously designated nonattainment area, the associated implementation dates for the overall nonattainment area (e.g., the August 3, 2021 attainment date) remain unchanged regardless of this later designation date.\nWisconsin—2008 Lead NAAQS\nDesignated area Designation for the 2008 NAAQS a\nDate 1 Type\nWhole State Unclassifiable/Attainment.\na Includes Indian Country located in each county or area, except as otherwise specified.\n1 December 31, 2011 unless otherwise noted.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 81—DESIGNATION OF AREAS FOR AIR QUALITY PLANNING PURPOSES","Subpart C—Section 107 Attainment Status Designations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"47c34fea8bcd1cf12821794c179e16a43d4ce03ff478d719a650db3f6d35353d","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-81.349","next":"us/40-cfr-81.351"},"notice":"GroundRules: Original legal text. Not legal advice."}