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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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Friday, 
County Site AQS ID AQI Level Pollutant Occured AQI
Kenosha Chiwaukee Prairie 55 059 0019 Moderate OZONE 08 PM 76
Dodge Horicon Wildlife Area 55 027 0001 Moderate OZONE 06 PM 71
Grant Potosi 55 043 0009 Moderate PM2.5 12 AM 53
Waukesha Waukesha-Cleveland Ave. 55 133 0027 Moderate OZONE 06 PM 67
Milwaukee Milwaukee-16th St. Health Center 55 079 0010 Moderate PM2.5 12 AM 55
Rock Beloit-Converse 55 105 0030 Good OZONE 03 PM 46
Sheboygan Sheboygan-Kohler Andrae 55 117 0006 Moderate OZONE 06 PM 69
Milwaukee Milwaukee-College Ave NR 55 079 0056 Good PM2.5 12 AM 44
Marathon Lake Dubay 55 073 0012 Good OZONE 07 PM 49
Dane Madison East 55 025 0041 Good PM2.5 12 AM 48
Manitowoc Manitowoc 55 071 0007 Moderate OZONE 05 PM 66
Dane Madison University Ave. Well #6 55 025 0047 Moderate PM2.5 12 AM 56
La Crosse La Crosse DOT 55 063 0012 Good OZONE 02 AM 43
Milwaukee Milwaukee-UWM UPark 55 079 0068 Moderate OZONE 06 PM 70
Racine Racine-Payne & Dolan 55 101 0020 Good OZONE 05 PM 49
Oneida Rhinelander Tower 55 085 0996 Good SO2 09 AM 2
Kenosha Kenosha-Water Tower 55 059 0025 Moderate OZONE 07 PM 65
Outagamie Appleton 55 087 0009 Moderate OZONE 06 PM 64
Door Newport Park 55 029 0004 Good OZONE 03 PM 49
Ozaukee Harrington Beach Park 55 089 0009 Moderate OZONE 05 PM 62
Eau Claire Eau Claire DOT Sign Shop 55 035 0014 Moderate PM2.5 12 AM 52
Milwaukee Bayside 55 079 0085 Moderate OZONE 06 PM 65
Outagamie Kaukauna 55 087 0015 Good SO2 10 AM 1
Forest Potawatomi 55 041 0007 Moderate OZONE 04 PM 57
Ashland Bad River Tribal School 55 003 0010 Good PM2.5 04 AM 43
Sauk Devils Lake 55 111 0007 Good PM2.5 12 AM 50
Brown Green Bay East High 55 009 0005 Moderate PM2.5 12 AM 60
Brown Green Bay UW 55 009 0026 Moderate OZONE 06 PM 64
Columbia Columbus 55 021 0015 Moderate OZONE 06 PM 59
Ozaukee Grafton 55 089 0008 Moderate OZONE 06 PM 72
Fond du Lac Fond Du Lac 55 039 0006 Moderate OZONE 06 PM 57
Jefferson Jefferson-Laatsch 55 055 0009 Moderate OZONE 06 PM 56
Sheboygan Sheboygan-Haven 55 117 0009 Moderate OZONE 06 PM 65
Walworth Elkhorn 55 127 0006 Moderate OZONE 05 PM 53
Kewaunee Kewaunee 55 061 0002 Moderate OZONE 09 PM 71
Vilas Trout Lake 55 125 0001 Moderate OZONE 05 PM 57