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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 .

Current AQI Summary

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Monday, 9/4/2023
County Category Site AQS ID Pollutant Occured AQI
Outagamie Good Appleton 55 087 0009 PM2.5 11 PM 44
Ashland Good Bad River Tribal School 55 003 0010 PM2.5 11 PM 47
Milwaukee Good Bayside 55 079 0085 OZONE 11 PM 36
Rock Good Beloit-Converse 55 105 0030 OZONE 11 PM 39
Kenosha Good Chiwaukee Prairie 55 059 0019 OZONE 11 PM 37
Columbia Good Columbus 55 021 0015 OZONE 11 PM 38
Sauk Good Devils Lake 55 111 0007 PM2.5 11 PM 45
Eau Claire Moderate Eau Claire DOT Sign Shop 55 035 0014 PM2.5 11 PM 53
Walworth Good Elkhorn 55 127 0006 OZONE 11 PM 38
Fond du Lac Good Fond Du Lac 55 039 0006 OZONE 11 PM 36
Ozaukee Good Grafton 55 089 0008 OZONE 11 PM 40
Brown Good Green Bay East High 55 009 0005 PM2.5 11 PM 44
Brown Good Green Bay UW 55 009 0026 OZONE 11 PM 45
Ozaukee Good Harrington Beach Park 55 089 0009 OZONE 11 PM 44
Dodge Good Horicon Wildlife Area 55 027 0001 OZONE 11 PM 40
Dodge No Index Horicon Wildlife Area- Filter10 55 027 0001 PM10 11 PM ----
Dodge No Index Horicon Wildlife Area- Filter10c 55 027 0001 PM10 11 PM ----
Dodge No Index Horicon Wildlife Area- Filter2.5 55 027 0001 PM2.5 11 PM ----
Jefferson Good Jefferson-Laatsch 55 055 0009 OZONE 11 PM 38
Outagamie No Index Kaukauna 55 087 0015 SO2 11 PM ----
Kenosha Good Kenosha-Water Tower 55 059 0025 OZONE 11 PM 34
Kewaunee Good Kewaunee 55 061 0002 OZONE 11 PM 44
La Crosse Good La Crosse DOT 55 063 0012 OZONE 09 PM 47
Marathon Good Lake Dubay 55 073 0012 OZONE 11 PM 45
Dane Good Madison East 55 025 0041 OZONE 11 PM 40
Dane No Index Madison East - Filter2.5 55 025 0041 PM2.5 11 PM ----
Dane Good Madison University Ave. Well #6 55 025 0047 PM2.5 11 PM 46
Manitowoc Good Manitowoc 55 071 0007 OZONE 11 PM 49
Milwaukee Good Milwaukee-16th St. Health Center 55 079 0010 PM2.5 11 PM 38
Milwaukee No Index Milwaukee-16th St. Health Center - Filter2.5 55 079 0010 PM2.5 11 PM ----
Milwaukee No Index Milwaukee-16th St. Health Center-Filter10 55 079 0010 PM10 11 PM ----
Milwaukee No Index Milwaukee-16th St. Health Center-Filter10c 55 079 0010 PM10 11 PM ----
Milwaukee Good Milwaukee-College Ave NR 55 079 0056 PM2.5 11 PM 34
Milwaukee Good Milwaukee-UWM UPark 55 079 0068 OZONE 11 PM 33
Door Moderate Newport Park 55 029 0004 OZONE 11 PM 59
Forest Good Potawatomi 55 041 0007 PM2.5 11 PM 49
Grant Good Potosi 55 043 0009 PM2.5 11 PM 50
Racine Good Racine-Payne & Dolan 55 101 0020 OZONE 11 PM 38
Oneida No Index Rhinelander Tower 55 085 0996 SO2 11 PM ----
Sheboygan Good Sheboygan-Haven 55 117 0009 OZONE 11 PM 44
Sheboygan Good Sheboygan-Kohler Andrae 55 117 0006 OZONE 11 PM 47
Vilas Good Trout Lake 55 125 0001 OZONE 11 PM 47
Waukesha Good Waukesha-Cleveland Ave. 55 133 0027 OZONE 11 PM 42
Waukesha No Index Waukesha-Cleveland Ave. - Filter2.5 55 133 0027 PM2.5 11 PM ----