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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy PM2.5 levels is in effect from 8/1/2025 12:00 to 8/2/2025 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,Pepin,Pierce,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 .

8-HR Ozone Summary

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Saturday, 
County Site Units 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Ashland Bad River Tribal School ppb 17.8 14.3 12.7 13.3 14.6 15.9
Brown Green Bay UW ppb 23.7 22.7 22.7 22 21.2 20.3
Columbia Columbus ppb 38.8 37.7 37.1 35.6 34.3 33.4
Dane Madison East ppb 29.2 25.1 20.3 16.1 13.3 11
Dodge Horicon Wildlife Area ppb 31.2 28 24.7 21.7 18.9 16.9
Door Newport Park ppb 36.2 34.3 32.4 30.5 29 28.3
Eau Claire Eau Claire DOT Sign Shop ppb 20.2 15.2 11.5 8.8 6.7 5.4
Fond du Lac Fond Du Lac ppb 30.1 28.2 26.6 25.7 24.2 23.7
Forest Potawatomi ppb 32.7 32.9 33.5 33.6 34 34.1
Jefferson Jefferson-Laatsch ppb 23.1 18.7 14.4 10.4 7.8 5.9
Kenosha Chiwaukee Prairie ppb 41.5 41.8 39.3 36.6 33.9 31
Kenosha Kenosha-Water Tower ppb 33.1 29.8 26.6 23.6 20.8 18.3
Kewaunee Kewaunee ppb 26.8 25.4 24.4 23.6 23.2 22.7
La Crosse La Crosse DOT ppb 27 24.1 22.4 21.2 19.2 17.2
Manitowoc Manitowoc ppb 13.7 10.7 9.1 8.4 8 7.4
Marathon Lake Dubay ppb 38.7 39.1
Milwaukee Bayside ppb 23.1 18.8 14.6 11.1 8.7 7.3
Milwaukee Milwaukee-16th St. Health Center ppb 25.4 22 18.4 15.4 12.9 10.8
Milwaukee Milwaukee-UWM UPark ppb 29 25.2 21.1 17.3 14 11.3
Outagamie Appleton ppb 22.9 20.7 19.4 18.8 18.4 17.9
Ozaukee Grafton ppb 23.2 19.7 16.4 13.6 12.4 11
Ozaukee Harrington Beach Park ppb 26.1 23.5 21.5 19.6 18.4 17.9
Racine Racine-Payne & Dolan ppb 38.4 36.3 33.4 30.1 26 21.9
Rock Beloit-Converse ppb 27.4 22.7 18.2 14.6 12.9 11.9
Sauk Devils Lake ppb 23.9 22.5 21.8 22 21.7 21
Sheboygan Sheboygan-Haven ppb 20.6 17.8 15.3 13.5 12.9 12.6
Sheboygan Sheboygan-Kohler Andrae ppb 25.6 23.2 20.5 18.4 17.7 16.9
Vilas Trout Lake ppb 31.3 27.5 23.5 20.4 17.5 15.7
Walworth Elkhorn ppb 33.9 32.7 31.8 31.1 29.1 26.4
Waukesha Waukesha-Cleveland Ave. ppb 25.1 21 16.9 13 9.7 6.9