Advisories:
Tuesday, 3/31/2026
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County Category Site AQS ID Pollutant Occured AQI
Outagamie Good Appleton 55 087 0009 OZONE 22:00 32
Ashland Good Bad River Tribal School 55 003 0010 OZONE 22:00 28
Milwaukee Good Bayside 55 079 0085 OZONE 22:00 33
Rock Good Beloit-Converse 55 105 0030 OZONE 22:00 23
Kenosha Good Chiwaukee Prairie 55 059 0019 OZONE 22:00 34
Columbia Good Columbus 55 021 0015 OZONE 22:00 35
Sauk Good Devils Lake 55 111 0007 OZONE 22:00 37
Eau Claire Good Eau Claire DOT Sign Shop 55 035 0014 OZONE 22:00 31
Walworth Good Elkhorn 55 127 0006 OZONE 22:00 21
Fond du Lac Good Fond Du Lac 55 039 0006 OZONE 22:00 30
Ozaukee Good Grafton 55 089 0008 OZONE 22:00 32
Brown Good Green Bay East High 55 009 0005 PM2.5 - LC 22:00 26
Brown Good Green Bay UW 55 009 0026 OZONE 22:00 35
Ozaukee Good Harrington Beach Park 55 089 0009 OZONE 22:00 33
Jackson Good Ho-Chunk Nation-Black River Falls 55 053 2002 PM2.5 - LC 22:00 21
Monroe Good Ho-Chunk Nation-Tomah 55 081 2001 PM2.5 - LC 22:00 20
Dodge Good Horicon Wildlife Area 55 027 0001 PM2.5 - LC 22:00 44
Jefferson Good Jefferson-Laatsch 55 055 0009 OZONE 22:00 19
Outagamie Good Kaukauna 55 087 0015 SULFUR DIOXIDE 22:00 0
Kenosha Good Kenosha-Water Tower 55 059 0025 OZONE 22:00 34
Kewaunee Good Kewaunee 55 061 0002 OZONE 22:00 32
La Crosse Good La Crosse DOT 55 063 0012 OZONE 22:00 36
Marathon Good Lake Dubay 55 073 0012 OZONE 22:00 36
Dane Good Madison East 55 025 0041 OZONE 22:00 35
Dane Good Madison University Ave. Well #6 55 025 0047 PM2.5 - LC 22:00 21
Manitowoc Good Manitowoc 55 071 0007 OZONE 22:00 31
Milwaukee Good Milwaukee-16th St. Health Center 55 079 0010 OZONE 22:00 32
Milwaukee Good Milwaukee-College Ave NR 55 079 0056 PM2.5 - LC 22:00 28
Milwaukee Good Milwaukee-UWM UPark 55 079 0068 OZONE 22:00 34
Door Good Newport Park 55 029 0004 OZONE 22:00 33
Forest Good Potawatomi 55 041 0007 OZONE 22:00 39
Grant Good Potosi 55 043 0009 PM2.5 - LC 22:00 18
Racine Good Racine-Payne & Dolan 55 101 0020 OZONE 22:00 34
Oneida Good Rhinelander Tower 55 085 0996 SULFUR DIOXIDE 22:00 0
Sheboygan Good Sheboygan-Haven 55 117 0009 OZONE 22:00 33
Sheboygan Good Sheboygan-Kohler Andrae 55 117 0006 OZONE 22:00 33
Vilas Good Trout Lake 55 125 0001 OZONE 22:00 33
Waukesha Good Waukesha-Cleveland Ave. 55 133 0027 PM2.5 - LC 22:00 41