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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 .

8-HR Ozone Summary

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Tuesday, 
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 28.8 27 26.3 25.8 25.4 25.8 27.1 28 29.6 31.6 32.7 33.6 34.5 35.5 36.4 37.2 37.9 38.3 38.5 38.4 37.5 35.3 32 28.6
Brown Green Bay UW ppb 30.9 29.7 28.7 28 27.2 27.8 28.4 28.6 28.5 28.4 28 27.7 28.1 27.9 27.8 28.2 29.1 30.1 31.1 31.8 32.1 32.5 32.8 32.7
Columbia Columbus ppb 31.3 29.7 28.2 27.1 25.7 24.6 24.2 24.1 24.4 25.3 26.5 27.2 28.2 29.2 29.4 29.7 30.3 30.4 30.1 29.9 29.7 29.5 29.6 29
Dane Madison East ppb 28.5 27.5 26.4 25.7 24.9 24.3 23.8 23.9 24.4 24.8 25.7 26.9 27.9 29.1 29.6 29.4 29.5 29.6 29.1 27.7 25.7 22.6 19.2 16
Dodge Horicon Wildlife Area ppb 30.3 28.9 27.2 25.8 25.4 25 25 25.6 26.2 26.9 28.2 29.7 30.6 31.2 31.3 30.9 30.8 30.8 30.5 29.7 28.9 27.9 27 26.9
Door Newport Park ppb 34.9 34.8 34.6 34.4 33.8 32.6 31.8 31.8 30.8 29.6 28.7 28 28.4 28.9 29.9 31 32 32.7 33.1 33.4 33.7 33.6 33.1 32.3
Eau Claire Eau Claire DOT Sign Shop ppb 23.5 20.5 17.7 15 14.2 14.9 15.5 16.4 18.7 22.2 26 30.2 33 35.1 37 38.3 39.2 39.3 39.6 39 37.7 36.5 35 34.4
Fond du Lac Fond Du Lac ppb 27.9 26.1 24.3 23.6 22.7 22 22.3 22 21.7 22.6 24.2 25.5 27 28.3 28.9 29.7 30.4 30.6 30.3 29.5 28.4 28 27.9 27.8
Forest Potawatomi ppb 39.6 39.7 39.7 39.9 39.9 39.6 39.1 38.5
Jefferson Jefferson-Laatsch ppb 30.6 29.4 28.4 28 27.7 27.7 28 28.3 29.3 30.8 32.4 33.1 33.6 34.7 35.4 35.3 34.5 33.6 32.8 31.7 29.7 27.1 24.8 24.2
Kenosha Chiwaukee Prairie ppb 35.9 35.7 35.7 36 36.1 35.9 35.6 35.2 34.8 34.9 35.1 35.3 35.5 35.9 36 36.1 36 35.6 35 34.4 33.8 33.1 32.5 32.2
Kenosha Kenosha-Water Tower ppb 31.6 31.7 32 32.7 33.7 34.3 34.7 34.5 34.3 34.4 34.4 34.3 34.4 34.8 34.7 34.5 34 33.4 32.7 32 31.3 30.3 29.9 29.7
Kewaunee Kewaunee ppb 29.8 28.7 28.9 28.9 29 29.3 30.5 32.1 33.3 33.5 32.8 32.1 31.8 32.3 32 31.3 30.8 30.7 31 31.8 32.2 32.4 32.7 32.7
La Crosse La Crosse DOT ppb 31.4 30.7 29.8 28.8 28.4 27.4 25.6 24.6 24.5 24.5 24.6 25.2 25.7 26.4 27.8 28.7 29.5 30.4 31.2 31.2 29.9 27.7 25.5 23
Manitowoc Manitowoc ppb 31.5 31.3 31.1 31.2 31.1 30.4 30.1 30.6 30.6 30.7 30.6 30.2 30.1 30.8 31.3 31.3 31.1 30.5 30.1 30.3 30.7 30.8 30.9 30.8
Marathon Lake Dubay ppb 32.8 31.6 30.7 30.3 30.1 29.3 28.7 28.7 29.3 29.6 29.9 30.2 30.6 31.2 31.9 32.7 33.8 35 35.8 36.3 36.4 36.4 36 35.3
Milwaukee Bayside ppb 36 36.1 36 35.9 35.9 36.1 36.1 35.9 35.7 35.5 35.6 35.6 35.8 35.4 34.9 34.5 33.8 33.1 32.2 31.8 31.3 31.1 31.1 31
Milwaukee Milwaukee-16th St. Health Center ppb 24.4 23.9 25 26 27.5 28.1 29.6 30.3 30.8 31.2 30.9 30.7 30.6 31 30.7 30 29.4 28.9 28.4 28.1 27.7 27.3 27.3 27.3
Milwaukee Milwaukee-UWM UPark ppb 33.8 33.8 33.8 33.9 34.1 34.3 34.5 34.4 34.1 33.9 34 33.9 34.1 33.9 33.4 33 32.5 31.9 31.3 30.9 30.4 30.2 30.4 30.4
Outagamie Appleton ppb 28.8 27.7 27.2 26.4 26.1 25.7 25.2 25.4 25.7 26 25.8 26.3 26.5 27 27.9 28.4 28.7 29 29.5 30 30.3 30.2 30.1 30.2
Ozaukee Grafton ppb 33.9 33.8 33.8 33.6 33.3 33 32.7 32.8 33.2 33.4 33.8 33.8 34.5 34.7 34.4 33.8 33.1 32.4 31.5 30.9 30.2 29.9 29.5 29.2
Ozaukee Harrington Beach Park ppb 34 33.6 33.4 33.3 33.2 33 33 33.4 34.1 35 35.6 35.8 35.8 35.3 34.8 33.8 32.8 31.8 31.1 30.6 30.3 30.5 30.5 30.6
Racine Racine-Payne & Dolan ppb 35.3 35.4 35.4 35.4 35.7 36 35.6 35.3 35.5 35.6 35.8 35.6 35.4 35.6 35.5 34.9 34.1 33.1 32.2 31.7 31.2 30.5 30.2 30.2
Rock Beloit-Converse ppb 31.4 29.5 28.3 27.7 27.4 27.7 28.3 29.4 30.7 32.6 33.9 34.2 34.5 35.3 35.7 35.7 35.4 34.6 33.4 32.5 31.5 30.3 29.1 27.9
Sauk Devils Lake ppb 31.9 31.2 30.5 30.1 29.9 29.1 28.3 27.3 26.8 26.3 26.1 26.2 26.6 27.1 27.8 28.7 29.1 29.2 29.2 28.6 26.7 24.3 21.6 18.8
Sheboygan Sheboygan-Haven ppb 26.2 24.4 23.8 24 24.4 24.8 25.4 26.5 27.8 29.3 30.6 31.5 31.9 32.1 32.3 32.4 32.3 31.6 30.9 30.6 30.8 31 31.1 31.1
Sheboygan Sheboygan-Kohler Andrae ppb 33.2 33.2 33.5 33.6 33.4 33.3 33.1 33.2 33.5 33.5 33.4 33.5 33.2 32.7 32.2 31.4 30.6 29.9 29.2 28.6 28.6 28.8 28.8 29.1
Vilas Trout Lake ppb 22.6 21.4 20.1 19.2 18.6 18.7 19.5 20.8 23 24.4 26.4 28.2 30.4 32.2 33.5 34.3 34.8 35.6 36.1 36.4 36.3 36 35.6 34.8
Walworth Elkhorn ppb 28.5 27.2 26.7 26.1 25.3 26.1 28.3 30.4 32.5 33.8 34.7 35 35.2 35.5 35.9 36.2 36.1 35.5 34.9 34.2 33.3 32.3 31.1 30.3
Waukesha Waukesha-Cleveland Ave. ppb 28.1 27.2 27.1 27.8 28.2 28.9 29.3 30.2 31.2 31.9 32.6 33.1 33.7 34.7 35.5 35.6 35.2 34.4 33.5 32.1 30.9 29.8 28.9 28.3