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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 .

Highest AQI

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Tuesday, 
County Site AQS ID AQI Level Pollutant Occured AQI
Kenosha Chiwaukee Prairie 55 059 0019 Good OZONE 07 PM 44
Dodge Horicon Wildlife Area 55 027 0001 Good OZONE 06 PM 39
Grant Potosi 55 043 0009 Good PM2.5 11 PM 24
Waukesha Waukesha-Cleveland Ave. 55 133 0027 Moderate OZONE 10 PM 54
Milwaukee Milwaukee-16th St. Health Center 55 079 0010 Good OZONE 08 PM 50
Rock Beloit-Converse 55 105 0030 Good OZONE 06 PM 41
Sheboygan Sheboygan-Kohler Andrae 55 117 0006 Good OZONE 07 PM 47
Milwaukee Milwaukee-College Ave NR 55 079 0056 Good PM2.5 10 PM 23
Marathon Lake Dubay 55 073 0012 Good OZONE 03 PM 33
Dane Madison East 55 025 0041 Good OZONE 07 PM 36
Manitowoc Manitowoc 55 071 0007 Moderate OZONE 06 PM 53
Dane Madison University Ave. Well #6 55 025 0047 Good PM2.5 11 PM 24
La Crosse La Crosse DOT 55 063 0012 Good OZONE 05 PM 30
Milwaukee Milwaukee-UWM UPark 55 079 0068 Good OZONE 09 PM 46
Racine Racine-Payne & Dolan 55 101 0020 Good OZONE 11 PM 47
Oneida Rhinelander Tower 55 085 0996 Good SO2 12 AM 1
Kenosha Kenosha-Water Tower 55 059 0025 Good OZONE 07 PM 50
Outagamie Appleton 55 087 0009 Good OZONE 05 PM 40
Door Newport Park 55 029 0004 Moderate OZONE 09 PM 58
Ozaukee Harrington Beach Park 55 089 0009 Good OZONE 05 PM 44
Eau Claire Eau Claire DOT Sign Shop 55 035 0014 Good OZONE 04 PM 32
Milwaukee Bayside 55 079 0085 Good OZONE 07 PM 44
Outagamie Kaukauna 55 087 0015 Moderate SO2 03 PM 83
Forest Potawatomi 55 041 0007 Good OZONE 04 PM 39
Ashland Bad River Tribal School 55 003 0010 Good OZONE 06 PM 32
Sauk Devils Lake 55 111 0007 Good OZONE 05 PM 31
Brown Green Bay East High 55 009 0005 Good PM2.5 11 PM 21
Brown Green Bay UW 55 009 0026 Good OZONE 06 PM 46
Columbia Columbus 55 021 0015 Good OZONE 05 PM 37
Ozaukee Grafton 55 089 0008 Good OZONE 06 PM 45
Fond du Lac Fond Du Lac 55 039 0006 Good OZONE 05 PM 38
Jefferson Jefferson-Laatsch 55 055 0009 Good OZONE 06 PM 38
Sheboygan Sheboygan-Haven 55 117 0009 Good OZONE 07 PM 48
Walworth Elkhorn 55 127 0006 Good OZONE 05 PM 39
Kewaunee Kewaunee 55 061 0002 Moderate OZONE 06 PM 54
Vilas Trout Lake 55 125 0001 Good OZONE 04 PM 37