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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy OZONE levels is in effect from 7/16/2025 12:00 to 7/16/2025 19:00 for these counties: Kenosha,Racine,Milwaukee,Ozaukee,Sheboygan .

8-HR Ozone Summary

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Thursday, 
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 16.6 13.5 10.2 7.9 5.4 3.7 4.2 8 12.5 17.1 21.7 23.4 28 32.8 36.5 37.7 38.6 39.7 40.9 41.5 41.5 40.7 39.1 38
Brown Green Bay UW ppb 16.3 16.6 18 20.7 23.5 26.2 28.3 29.4 30.7 31.8 32.7 33.4 34.1 34.7 35.6 36.5 36.8 36.8 36.2 35.3 33.8 32.6 31.1 30
Columbia Columbus ppb 32.6 32.9 32.9 32.3 31.9 31 29.7 28.7 27.8 28.7 30.3 32.5 34.8 37.3 39.4 41.1 41.4 41.8 41.7 41 39.9 38.9 38.1 36.5
Dane Madison East ppb 26 26.3 26.9 27.5 27.6 27.6 27.1 26.3 26.2 26.9 27.8 29.4 31.3 33.2 35.4 37 38.1 38.9 38.7 37.2 34.9 33.2 29.8 26.4
Dodge Horicon Wildlife Area ppb 28.2 28 28 27.7 27.1 25.6 24.5 24.5 25.6 26.9 28.1 30.1 32.3 34.6 36.7 38 38.7 39.2 39.5 38.9 38.3 37 35.6 34
Door Newport Park ppb 28 28.7 29.8 30.8 31.1 31.1 30.8 30.8 30.7 30.6 30.6 30.6 30.8 31.2 31.1 30.5 29.8 29 27.9 27.1 26.5 26 25.8 25.8
Eau Claire Eau Claire DOT Sign Shop ppb 12.1 10.5 8.8 7.7 7.2 6.8 7.4 8.4 10.5 13.3 17.1 21.4 25 28.3 31.2 33.7 35.4 36.3 36.7 35.8 33.3 31.6 30.6 29.8
Fond du Lac Fond Du Lac ppb 25.8 25.7 25.3 24.6 23.1 21.6 21.7 22.6 23.8 24.9 26.6 28.7 31.5 34.4 35.6 36.1 36.6 37.3 37.3 37 35.9 34.5 33.2 31.6
Forest Potawatomi ppb 25.3 23.9 22.8 22.4 22.2 22.1 22.2 22.6 38 38.8 39.4 40.3 40.6 40.5 39.9 39 38 36.3
Jefferson Jefferson-Laatsch ppb 26.1 26.6 26.8 27.1 27.2 27.3 27 26.2 25.9 26.7 28 29.2 30.9 32.7 34.8 36.3 37.3 37.7 37.8 36.9 34.5 31.8 29.2 27.2
Kenosha Chiwaukee Prairie ppb 23.9 23.6 23.4 23.1 23.3 23.4 23.2 23 23.7 24.9 26.4 27.9 29 30 31.1 32.4 33.1 33.5 33.6 32.9 31.8 31.8 30.8 27.5
Kenosha Kenosha-Water Tower ppb 26.1 25.8 25.6 25.6 25.5 25.4 25.2 25.1 25.5 26.4 27.3 28.7 30.3 31.8 32.8 33.9 34.5 34.8 35 34.4 33.6 32.7 32.1 31.1
Kewaunee Kewaunee ppb 22 21.8 22.2 23.6 25.1 26.7 28.4 29.4 30.2 31.4 32.3 32.7 33.2 34 35 36.1 36.7 36.5 35.8 34.7 33.3 31.5 29.1 26.6
La Crosse La Crosse DOT ppb 22.5 21.8 21.8 21.4 21.2 20.9 20.3 19.8 19.3 19.9 20.9 20.8 23.3 26.3 29.4 32.9 35.9 37.6 38.4 37.6 35.4 33.1 30 27.3
Manitowoc Manitowoc ppb 18.8 18.1 17.9 18.1 18.9 20.2 21.2 22.5 23.9 25.6 27.6 29.3 30.3 31.5 32.7 33.8 34.8 35.1 34.4 33.4 31.6 28.8 25.5 22.4
Marathon Lake Dubay ppb 24.7 22.5 20.8 20.1 20.3 20.3 20.7 21.7 23.6 25.9 28.5 31 33.1 35 36.7 37.7 38.5 39.4 40.1 39.9 39.5 39.1 38.9 38.4
Milwaukee Bayside ppb 26.7 26.2 25.6 25 24.1 23 22.7 23.3 24.3 25.7 27 28.2 29.4 31 32.5 33.4 34 34 34 34 33.4 31.4 28.2 24.2
Milwaukee Milwaukee-16th St. Health Center ppb 19.9 19.7 19.6 19.2 18.7 17.6 16.7 17.2 18.4 20 21.9 22.7 23.1 24.4 26 26.5 25.9 24.9 23.3 22 21.6 20.9 18.2 15.3
Milwaukee Milwaukee-UWM UPark ppb 26.6 26 25.4 24.5 23.7 22.7 22.1 22.5 23.4 24.8 26.2 27.6 28.7 30.2 31.7 32.6 33.2 33.2 33 32.9 32.4 31 28.4 24.7
Outagamie Appleton ppb 20.2 18.8 18.4 18.6 19.4 20.4 21.6 23 25.1 27.3 29.2 31 32.3 33.3 34 34.9 35.5 36.4 37.1 37.1 36.5 35.1 32.8 30.2
Ozaukee Grafton ppb 25.2 25 24.8 24.2 23.2 22.3 22.3 22.9 23.9 25.1 26.3 27.5 29.3 31 32.9 34.1 34.5 34.5 34.4 33.9 32.8 30.7 27.5 24
Ozaukee Harrington Beach Park ppb 26.7 26.4 25.9 25.1 24.4 24.4 24.8 25.6 26.4 27.5 28.6 30 31.3 32.8 34.4 35.2 35.8 35.7 35.6 34.9 33.9 32.4 29.8 27.1
Racine Racine-Payne & Dolan ppb 27.3 26.5 25.9 25.3 24.8 24.1 23.1 23 24 25.3 26.7 28 29.1 30.4 32 32.9 33.5 34 33.9 33.7 33.2 32.5 30.5 26.7
Rock Beloit-Converse ppb 23 23 23.2 23.5 23.8 24.1 24.4 24.8 25.4 26.3 27.5 28.9 30.6 32.6 34.9 37.2 39.2 40.4 40.9 39 35.9 32.8 29.5 25.7
Sauk Devils Lake ppb 25.1 25.3 25.4 25.2 24.8 23.7 22.5 22.2 22.1 22.6 24.5 26.7 28.7 30.9 33.3 35.5 37.2 38 37.9 35.9 33 30.3 27.2 23.9
Sheboygan Sheboygan-Haven ppb 25.2 24.8 24.2 23.9 23.9 24 24.5 25.3 26.4 27.3 29 31.1 33.2 34.9 36.2 36.8 37.1 37.3 36.8 35.4 33.5 31.1 28.7 26.5
Sheboygan Sheboygan-Kohler Andrae ppb 24.8 24.2 23.5 22.6 22.1 22 22.5 23.2 23.9 24.9 26.1 27.7 29.5 31.7 33.3 34.1 34.5 34.8 34.7 34 32.7 30.9 28.4 25.4
Vilas Trout Lake ppb 28.3 26.6 25.2 24.7 24.3 24.1 24.5 25.4 26.7 28.7 31.1 33.1 34.9 36.7 38.2 39.3 40.3 40.9 41.2 41.5 41.7 41.6 41 40.1
Walworth Elkhorn ppb 23.5 23.9 24.7 25.5 26 26.5 26.8 26.9 27.1 27.3 28.2 29.6 31.1 32.7 34.5 36.5 38.2 39.3 39.1 38.1 36.2 34.5 32.6 30.9
Waukesha Waukesha-Cleveland Ave. ppb 23.3 23.6 23.9 24.1 24.2 23.9 23.3 23.3 24.1 25.4 27 28.5 29.7 31.9 34.3 36.2 37.3 37.4 36.9 35.8 34.5 32.8 30.2 26.9