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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy for Sensitive Groups OZONE levels is in effect from 9/18/2024 15:00 to 9/18/2024 23:00 for these counties: Columbia,Dane,Dodge,Jefferson,Kenosha,Milwaukee,Ozaukee,Racine,Rock,Sauk,Walworth,Washington,Waukesha .

8-HR Ozone Summary

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Friday, 
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 35.5 35 34.4 34 33.6 33.1 32.6 32.2 32.3 32.5 32.7 33.1 33.5 34 34.4 34.3 33.9 33.4 32.8 32.2 31.8 31.3 31 30.9
Brown Green Bay UW ppb 31.1 31.5 31.9 32.4 32.7 33.5 34.4 34.5 34.6 35 35.8 36.7 38 38.9 39.7 40.3 40.6 40.5 40.1 39.2 38.1 36.9 35.7 34.5
Columbia Columbus ppb 27.7 28.4 29 29.5 30.4 31.3 31.9 32.4 33.1 34.1 35.3 37 38.5 40.4 42.2 43.7 44.7 45.2 45 44 42.6 41 39.5 38.1
Dane Madison East ppb 29.6 30.3 30.5 31.1 31.9 32.8 33.9 34.8 35.2 36.2 37.6 39.1 40.8 42.5 44.1 45.6 46.6 47 46.8 45.8 44.4 43 41.5 39.7
Dodge Horicon Wildlife Area ppb 25.2 26.2 27 27.8 28.9 30.2 31.1 31.2 43.9 44.2 44.5 45.1 45 44.3 43.2 42 40.6 39.1
Door Newport Park ppb 29 28.2 28 28.1 28.7 29.8 31.3 32.3 33.1 34.2 34.9 35.8 36.8 37.6 37.9 38.2 38.4 38.5 38.5 38.2 37.7 37 36.3 35.5
Eau Claire Eau Claire DOT Sign Shop ppb 36.1 35.5 35.1 34.9 34.4 34 33.8 33.7 33.5 33.7 33.8 34 34.3 34.5 34.9 35.1 34.9 34.5 34 33.5 33.1 32.7 32 31.5
Fond du Lac Fond Du Lac ppb 25.4 26.3 27.2 28.1 28.7 29.4 30.2 30.9 31.8 32.9 34.2 35.5 37.3 39.1 40.8 42.1 42.9 43.3 42.9 42.2 41.3 40.1 38.7 37.2
Forest Potawatomi ppb 33.7 34.5 35.6 36.8 37.4 37 36.5 36.2 36.3 36.7 37.1 37.5 37.8 37.9 38.4 38.7 38.8 38.6 37.8 37 36.2 35.5 34.5 33.6
Jefferson Jefferson-Laatsch ppb 27.2 27.4 27.6 28.2 29.3 30.1 31.2 32.5 33.5 34.7 36.5 38.7 40.9 43.2 45.2 46.7 47.7 48.2 48.2 47.4 45.8 44.1 42.5 40.8
Kenosha Chiwaukee Prairie ppb 27.1 26.8 26.5 26.9 27.9 28.8 30 31.5 33.6 35.6 37.5 39.5 41.5 43.8 45.6 46.8 47.7 48.6 49 48.9 48.5 47.5 46.1 44.3
Kenosha Kenosha-Water Tower ppb 25.3 25.2 25.9 26.5 27.5 28.2 28.6 29.8 31.6 33.5 35.3 37.3 39.5 42.1 44.6 46.4 47.2 48.2 48.3 48.1 47.4 46.1 44 41.6
Kewaunee Kewaunee ppb 32.1 32.5 32.3 32.2 32.6 33.3 34.3 35 35.4 35.9 36.7 37.7 38.8 39.9 40.7 41.3 41.7 41.7 41.2 40.3 39.2 38 36.6 35.3
La Crosse La Crosse DOT ppb 37.6 36.8 35.7 34.6 33.4 32.3 31.5 30.9 31.1 32 33.2 34.7 36.7 38.6 40.1 41 41.3 41.1 40.4 39.3 38.2 36.8 35.6 34.7
Manitowoc Manitowoc ppb 26.5 27 27.7 28.6 30 31.5 33.2 34.4 35 35.9 36.9 38.3 39.5 40.5 41.4 42.3 43 43.2 42.6 41.6 40.5 39.2 37.7 36.2
Marathon Lake Dubay ppb 36.6 37.4 38.2 38.1 37.7 37.3 37.1 37.2 37.4 37.7 38 38.2 38.5 39 39.3 39.3 39.1 38.5 37.7 36.8 36 35.1 34.4 33.7
Milwaukee Bayside ppb 24.9 25.5 26.3 27 27.8 28.5 29.7 31.3 32.6 33.6 34.7 36.2 38.1 40.6 42.6 44.1 45.1 46.2 46.8 46.8 45.9 44.6 43.1 41.6
Milwaukee Milwaukee-16th St. Health Center ppb 22 23.1 24 24.9 25.6 25.8 26.8 28.6 30.1 31.1 32.6 34.6 36 39.1 41.4 42.8 43.5 44.1 44.3 44.1 43 41.4 39.8 38.2
Milwaukee Milwaukee-UWM UPark ppb 24.5 25.1 25.8 26.4 26.6 27.1 28.4 30.2 31.5 32.3 33.5 35 37.6 40.7 42.9 44.3 45.3 46.2 46.6 46.7 45.7 44.2 42.5 41.1
Outagamie Appleton ppb 29.7 29.9 30.4 31.3 32.5 34.2 35 35 35.3 35.9 36.7 37.5 38.3 39.1 40 40.5 40.9 40.6 40 39.2 38.2 37 35.7 34.6
Ozaukee Grafton ppb 26 27.3 27.9 28.6 29 29.4 30.6 31.8 32.7 33.6 34.7 36 37.8 40.1 42 43.5 44.6 45.4 45.9 45.5 44.7 43.4 42.1 40.6
Ozaukee Harrington Beach Park ppb 25.5 26 27.3 28.4 29.5 30.7 32 33.3 34.1 35.2 36.4 37.8 39.5 41.7 43.6 45 46.1 47 47.1 46.6 45.5 44.2 42.7 41.1
Racine Racine-Payne & Dolan ppb 22.9 23.4 24.6 26 27.3 28.4 29.4 31.1 33.2 34.4 36 37.9 40.3 43 45.4 47.1 48.4 49.4 49.6 49.6 49 47.6 45.8 43.7
Rock Beloit-Converse ppb 29.5 29.9 29.5 28.8 29 29.7 30.5 31.7 33.2 34.9 36.9 38.2 39.2 41.4 43.6 45.8 47.3 47.8 47.9 47.6 46.5 45.2 43.4 41.4
Sauk Devils Lake ppb 30.9 31.3 31.8 32.6 33.6 34.6 35 35 35.3 36 37.1 38.3 39.6 41 42.5 43.9 44.9 45.1 44.5 43.5 42.3 40.9 39.5 38.1
Sheboygan Sheboygan-Haven ppb 25.6 26.5 27.6 29 30.9 32.7 33.9 34.9 35.5 36.2 37 38 38.9 40 41.4 42.4 43.3 43.7 43.5 42.6 41.4 40.1 38.8 37.3
Sheboygan Sheboygan-Kohler Andrae ppb 24.7 25.6 26.4 27 27.8 29.2 30.6 31.8 32.5 33.1 34.3 35.5 37.3 39 40.7 42 42.8 43.5 43.5 42.8 41.8 40.6 39.3 37.9
Vilas Trout Lake ppb 37.6 36.9 36.4 35.9 35.2 34.8 34.6 35 35.3 35.4 35.4 35.7 36.4 37.1 37.6 37.4 36.9 36.5 36 35.2 34 32.9 32 31.5
Walworth Elkhorn ppb 30.7 30.9 31.5 31.4 30.6 30.5 30.9 31.7 33.2 34.7 36.3 37.9 40 42.2 44.4 46.4 47.5 48.1 48.2 48 47.2 45.8 44.1 42.2
Waukesha Waukesha-Cleveland Ave. ppb 29 29.3 29.7 30.3 30.7 31.4 32.3 33.8 35 36 37.4 39.3 41.7 43.9 46.1 47.5 48.5 49.4 49.7 49.4 48.2 46.7 44.9 43.3