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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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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 35.9 35.6 35.1 34.6 34.2 33.8 33.5 33.4 33.3 33.1 33.1 32.9 32.7 32.6 32.7 32.7 32.7 32.9 33 33.1 33.2 33.3 33.4 33.6
Brown Green Bay UW ppb 30.9 30.1 30.1 30.1 29.9 29.9 29.6 29.4 29.3 29.7 30.1 30.6 31 30.8 30.7 31 31.2 31 31.2 31.8 32.7 34 34.9 35.2
Columbia Columbus ppb 27.1 27.3 27.7 28.6 30.2 31.7 32.9 33.9 34.4 34.2 33.9 33.4 32.2 31.2 30.2 29.5 28.9 28.7 29 29.7 30.8 32 33.2 34.2
Dane Madison East ppb 25.1 25 25.2 25.5 26.1 26.9 27.5 28 27.9 27.3 26.4 25.3 24.1 22.7 21.6 20.7 19.9 19.2 19 19.5 20.2 21.6 23.1 24.4
Dodge Horicon Wildlife Area ppb 28.1 28.4 29.4 30.9 32.2 33.1 34 34.6 34.8 34.6 34.2 33.5 33 32.5 32.1 31.9 32 32.3 32.9 33.7 34.4 34.9 35.2 35.1
Door Newport Park ppb 32.1 32.3 32.4 32.3 32.5 33.1 33.5 33.5 33.5 33.4 33.4 33.4 33.2 32.9 32.7 32.6 32.6 32.6 32.9 33.3 33.6 33.8 34.3 34.9
Eau Claire Eau Claire DOT Sign Shop ppb 33.7 32.4 31.3 29.9 28.5 27.5 27.1 27.2 27.6 27.9 28.2 28.6 29.4 30 30 30 30 30.2 30.3 30.3 30.2 29.9 29.8 29.8
Fond du Lac Fond Du Lac ppb 24.6 24.9 26.1 26.7 27.7 29 29.9 30.7 31.3 31.2 30.8 31.3 31.5 31.7 31.9 32.2 33 33.7 34.3 34.8 35.1 35.2 34.9 34.5
Forest Potawatomi ppb 31.2 29.6 28.5 28.1 27.9 28.3 28.8 29.3 29.7 30.4 31.8 33.2 34.6 35.9 36.3 36 35.5 34.3 31.9 29.7 27.7 26.2 25.5 25.6
Jefferson Jefferson-Laatsch ppb 27.4 27.5 28 28.8 30.1 31.3 32 32.3 31.9 31.2 30.4 29.3 27.9 26.4 25.1 24.1 23.5 23.4 23.8 24.7 26.1 27.8 29.5 31
Kenosha Chiwaukee Prairie ppb 29.3 30.2 31.2 32 33 33.7 34.5 34.9 34.7 34.2 33.3 32.2 31 29.9 28.7 27.6 27 27 27.5 28.6 30.4 32.1 33.9 35.8
Kenosha Kenosha-Water Tower ppb 31.1 32.1 33.2 34.2 35 35.7 36.1 35.8 35.1 34.1 33 31.9 30.5 29.2 27.9 27.2 27.1 27.4 28 29.4 31.5 33.4 35.4 37.5
Kewaunee Kewaunee ppb 33.6 33 32.3 31.7 31.4 31.1 30.8 30.6 31 31.9 32.9 33.5 34 34.6 35 35.5 35.9 36.2 36.7 37.4 37.9 38.1 38.5 38.7
La Crosse La Crosse DOT ppb 29.7 29 28.5 27.8 27.3 27.2 27.5 28.4 29.6 30.5 31.3 31.9 32.1 31.9 31.4 30.6 29.6 28.7 28 27.4 27.1 27.3 27.7 28.2
Manitowoc Manitowoc ppb 30.1 30 30 29.9 29.5 29.1 28.7 28.6 28.8 29.5 30.1 30.6 31.2 31.1 31 31.4 32 32.8 33.9 34.6 34.8 35.4 35.6 35.4
Marathon Lake Dubay ppb 37.8 36.4 35.2 34.1 33.5 33 32.7 32.7 32.7 33 33.1 33.4 33.8 34.1 34.4 34.5 34.4 34.2 34.2 34.3 34.3 34.6 35.3 36.1
Milwaukee Bayside ppb 29.1 30.1 31.5 31.9 32.3 33 33.4 33.6 33.1 32.4 31 30.9 30.7 30.2 30.2 30.7 31.7 33 34.5 36 37.2 37.7 37.6 37.2
Milwaukee Milwaukee-16th St. Health Center ppb 23.4 24.3 25.7 27.3 28.1 28.7 28.8 28.5 27.5 26.5 25.1 23.4 22.1 21 20.4 20.3 21.1 22.3 23.6 25.2 26.8 28.2 29.1 29.3
Milwaukee Milwaukee-UWM UPark ppb 28.7 29.7 31 32.2 32.9 33.4 33.7 33.4 32.6 31.7 30.4 29 28 27.1 26.8 27.2 28.3 29.6 31.2 32.9 34.5 35.5 35.9 35.8
Outagamie Appleton ppb 30.6 29.6 29 29.7 30.3 30.5 30.3 30.2 30.1 30.5 30.6 30.6 30.6 30.9 31.3 31.8 32.4 33.1 33.8 34.7 35.9 36.7 37.3 37.5
Ozaukee Grafton ppb 27.6 28.5 29.8 30.8 31.4 31.9 32.4 32.8 32.9 32.8 32.3 32 31.9 31.9 32.1 32.5 33.5 34.6 35.9 37.1 37.5 37.3 36.7 36.1
Ozaukee Harrington Beach Park ppb 29.8 30.3 31.1 31.5 31.9 32.3 32.7 32.9 33 33.3 33.2 33.2 33.3 33.5 33.9 34.8 35.9 37.1 38.2 39.3 39.3 39 38.4 37.7
Racine Racine-Payne & Dolan ppb 29.4 30.3 31.7 33.1 34 34.7 34.8 34.6 34.1 33.4 32.3 30.9 29.6 28.3 27.5 26.9 26.6 26.8 27.4 28.6 30 31.7 33.5 34.8
Rock Beloit-Converse ppb 27.6 27.1 26.9 27 27.2 27.3 27.1 27.2 27.4 27.4 27.2 26.9 26.7 26.5 26.4 26.3 25.9 25.3 24.7 24.7 25.2 26 27 27.8
Sauk Devils Lake ppb 26.8 26.5 26.7 27.1 28 29.1 30.3 31.5 32.3 32.7 32.9 33 31.7 30.3 29 27.6 26.5 25.5 25.6 26.1 26.7 27.7 28.6 29.5
Sheboygan Sheboygan-Haven ppb 30.7 31 31.3 31.5 31.4 31.3 31.1 30.9 30.8 30.8 30.8 31 31.4 31.9 32.7 33.9 35.3 36.7 38 39 39.4 39.3 38.7 37.9
Sheboygan Sheboygan-Kohler Andrae ppb 30.3 30.7 31.2 31.6 31.8 32 32 32.1 32.3 32.6 32.7 32.8 32.8 33.2 33.8 34.7 35.8 36.9 38.1 38.8 39.1 38.6 37.9 37.1
Vilas Trout Lake ppb 39.4 38.3 37.4 36.5 35.8 35.6 35.7 35.7 35.9 35.8 36.8 37.9 39.7 42.2 44.5 46 47 46.5 46.2 45.5 44.1 42.1 40.3 39.2
Walworth Elkhorn ppb 26.3 26.8 27.5 28.7 29.7 30.6 31.4 31.9 31.8 31.3 30.6 29.7 29 28.1 27.5 26.7 25.9 25.6 25.9 26.6 27.9 29.4 30.5 31.7
Waukesha Waukesha-Cleveland Ave. ppb 27.3 28.3 29.7 31.2 32.5 33.3 33.8 33.2 32 30.7 29.3 27.4 25.6 24.2 23.1 22.8 23.2 24.2 25.5 27.1 29 30.7 32.3 33.1