-
Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy PM2.5 levels is in effect from 7/12/2025 00:00 to 7/14/2025 12:00 for these counties: Adams,Ashland,Barron,Bayfield,Brown,Buffalo,Burnett,Calumet,Chippewa,Clark,Columbia,Crawford,Dane,Dodge,Door,Douglas,Dunn,Eau Claire,Florence,Fond du Lac,Forest,Grant,Green,Green Lake,Iowa,Iron,Jackson,Jefferson,Juneau,Kenosha,Kewaunee,La Crosse,Lafayette,Langlade,Lincoln,Manitowoc,Marathon,Marinette,Marquette,Menominee,Milwaukee,Monroe,Oconto,Oneida,Outagamie,Ozaukee,Pierce,Pepin,Polk,Portage,Price,Racine,Richland,Rock,Rusk,Sauk,Sawyer,Shawano,Sheboygan,St. Croix,Taylor,Trempealeau,Vernon,Vilas,Walworth,Washburn,Washington,Waukesha,Waupaca,Waushara,Winnebago,Wood .

Current AQI Summary

Filter by County:
Filter by Site:
Sunday, 7/13/2025
County Category Site AQS ID Pollutant Occured AQI
Outagamie Unhealthy Appleton 55 087 0009 PM2.5 11 AM 175
Ashland Unhealthy Bad River Tribal School 55 003 0010 PM2.5 11 AM 162
Milwaukee Good Bayside 55 079 0085 OZONE 11 AM 41
Rock Good Beloit-Converse 55 105 0030 OZONE 11 AM 37
Kenosha Moderate Chiwaukee Prairie 55 059 0019 PM2.5 11 AM 91
Columbia Good Columbus 55 021 0015 OZONE 11 AM 39
Sauk Unhealthy Devils Lake 55 111 0007 PM2.5 11 AM 169
Eau Claire Unhealthy Eau Claire DOT Sign Shop 55 035 0014 PM2.5 11 AM 163
Walworth Good Elkhorn 55 127 0006 OZONE 11 AM 41
Fond du Lac Good Fond Du Lac 55 039 0006 OZONE 11 AM 36
Ozaukee Good Grafton 55 089 0008 OZONE 11 AM 39
Brown Unhealthy Green Bay East High 55 009 0005 PM2.5 11 AM 182
Brown Good Green Bay UW 55 009 0026 OZONE 11 AM 36
Ozaukee Moderate Harrington Beach Park 55 089 0009 PM2.5 11 AM 100
Jackson Unhealthy Ho-Chunk Nation-Black River Falls 55 053 2002 PM2.5 11 AM 166
Monroe Unhealthy Ho-Chunk Nation-Tomah 55 081 2001 PM2.5 11 AM 167
Dodge Unhealthy Horicon Wildlife Area 55 027 0001 PM2.5 11 AM 154
Jefferson Good Jefferson-Laatsch 55 055 0009 OZONE 11 AM 40
Outagamie Good Kaukauna 55 087 0015 SO2 11 AM 1
Kenosha Good Kenosha-Water Tower 55 059 0025 OZONE 11 AM 42
Kewaunee Good Kewaunee 55 061 0002 OZONE 11 AM 35
La Crosse Good La Crosse DOT 55 063 0012 OZONE 11 AM 36
Marathon Unhealthy Lake Dubay 55 073 0012 PM2.5 11 AM 169
Dane Unhealthy Madison East 55 025 0041 PM2.5 11 AM 157
Dane Unhealthy Madison University Ave. Well #6 55 025 0047 PM2.5 11 AM 166
Manitowoc Good Manitowoc 55 071 0007 OZONE 11 AM 33
Milwaukee Unhealthy for sensitive groups Milwaukee-16th St. Health Center 55 079 0010 PM2.5 11 AM 112
Milwaukee Unhealthy for sensitive groups Milwaukee-College Ave NR 55 079 0056 PM2.5 11 AM 103
Milwaukee Good Milwaukee-UWM UPark 55 079 0068 OZONE 11 AM 40
Door Good Newport Park 55 029 0004 OZONE 11 AM 37
Forest Unhealthy Potawatomi 55 041 0007 PM2.5 11 AM 163
Grant Moderate Potosi 55 043 0009 PM2.5 11 AM 86
Racine Good Racine-Payne & Dolan 55 101 0020 OZONE 11 AM 39
Oneida Good Rhinelander Tower 55 085 0996 SO2 11 AM 0
Sheboygan Good Sheboygan-Haven 55 117 0009 OZONE 11 AM 40
Sheboygan Good Sheboygan-Kohler Andrae 55 117 0006 OZONE 10 AM 34
Vilas Good Trout Lake 55 125 0001 OZONE 11 AM 44
Waukesha Unhealthy for sensitive groups Waukesha-Cleveland Ave. 55 133 0027 PM2.5 11 AM 115