Advisories:

8-hr Ozone Summary

Search County:
Search Site:
Thursday, 
County Site Units 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Ashland Bad River ppb 27.8 25.3 23.1 21.8 20.8 19.7 18.8 18.5 19.4 20.8 22.7 24.6 26.9 29.3 31.7 34 36 37.3 38.1 38.2 37.7 37.1 36.6 36.2
Brown Green Bay - UW ppb 32.3 32.8 33.5 34.1 34.2 33.5 32.8 32.1 31.5 30.6 29.4 28.2 27.3 27.7 28.5 29.3 30.1 30.7 31.1 31.4 31.6 31.1 30.5 30.8
Columbia Columbus ppb 35.9 35.2 34.3 33 31.5 30 28.2 26.6 25.7 25.3 25.1 24.9 25.5 26.2 27.3 28.2 28.5 28.5 28.5 28.6 28.1 27.4 26.8 27.1
Dane Madison - East ppb 34.5 32.6 30.9 29.1 28.1 26.7 25.1 24.3 25.2 25.6 25.6 26 26.6 26.4 26.4 26.8 27.1 27.6 28.5 29 28.4 28.5 28.5 28.7
Dodge Horicon ppb 34.6 33.9 33.2 32.3 30.9 29.4 27.9 26.6 26 25.8 25.5 25.5 26 26.8 27.5 28.3 28.5 28.1 28 27.5 26.4 25.2 24.4 24.5
Door Newport ppb 30.4 30.3 29.9 29.7 29.5 28.9 28.7 28.8 29.1 29.4 30.1 30.6 30.9 31.5 31.7 31.7 31.9 32.2 32.2 32.2 31.9 31 30.1 29.5
Eau Claire Eau Claire ppb 27.5 26.3 24.1 22.6 22.4 21.2 20.1 19.7 19.1 19.3 20.6 22 23.3 25.1 27.2 29.8 32.2 34.3 35.9 37.3 38.2 38.4 37.9 36.8
Fond du Lac Fond du Lac ppb 33.4 32.9 32.2 31.3 30.3 29.1 27.8 26.9 25.9 25.3 25.3 25.7 26.7 27.5 28.6 29.2 29.5 29.3 28.8 27.9 26.6 25.7 25 24.9
Forest Potawatomi ppb 33.4 33.1 32.7 32.1 31.5 30.7 29.9 29 28.3 27.7 27.1 27 27.4 28.2 29.2 30.3 30.9 31.1 31.2 30.9 30.9 31.7 32.4 32.9
Jefferson Jefferson ppb 36.6 35.4 33.9 32.3 30.7 28.9 27.1 25.4 24.9 24.9 24.5 24.5 25.1 26.2 27.1 28.3 28.8 29.5 30.3 30.4 29.5 28.6 27.8 27
Kenosha Chiwaukee Prairie ppb 38.3 38 37.4 36.2 34.1 31.8 30.2 29 28.1 27.4 26.8 26.6 27.3 28.7 29.6 30.7 31.5 31.4 32 32.2 31.4 30.2 29.3 28.2
Kenosha Kenosha ppb 37.8 37.2 35.5 33.7 30.6 27.7 25.7 24 22.9 22.8 23.4 24 26.5 29.2 31.3 32.6 33.5 33.4 32.7 32.2 30.5 28.8 27.5 26.5
Kewaunee Kewaunee ppb 33.1 33.3 33.2 33.5 33.9 34.1 33.8 33.4 33.1 32.9 32.6 32 31.4 31.1 31.4 32.1 32.3 32.5 33.3 33.6 33.4 32.9 32.1 31.7
La Crosse La Crosse ppb 33 29.5 25.8 23.5 21.1 18.9 17.8 18 19.1 21.4 24.3 26.1 27.9 29.5 30.1 30.3 30.7 31.9 33 33.7 34.4 35.4 36.4 37.3
Manitowoc Manitowoc ppb 33.7 34 34.4 34.8 34.8 34.3 33.5 32.9 32.3 31.7 30.6 29.7 29.2 29.7 30.3 30.6 30.8 30.8 30.8 30.1 29 27.6 26.4 26.1
Marathon Lake DuBay ppb 35 33.8 32.8 31.8 30.5 29 27.8 26.7 26 25.7 25.9 26.7 28 29.6 31.1 32.4 33.1 33.6 33.8 34.5 35.1 35.5 35.5 35.9
Milwaukee Bayside ppb 39 38.6 37.9 36.6 34.3 32.2 29.8 28 26.5 25.5 24.5 23.7 24.9 25.2 26 26.6 27.1 27 26.7 26.8 26.3 25.9 25.6 25.1
Milwaukee Milwaukee-16th St. ppb 36.6 36 35.5 34.5 32.7 30.1 27.3 25.2 23.7 22.9 22 21.5 21.9 22.9 24 24.8 24.7 24.2 23.9 23.8 23.6 23 22.3 21.7
Milwaukee Milwaukee - UWM UPark ppb 38.4 38 37.2 36.2 34.3 31.9 29.5 27.4 26.1 25.2 24.6 24.4 24.7 25.1 26 26.4 26.6 26.6 26.4 26.5 26.4 26 25.1 24.6
Outagamie Appleton ppb 33.7 34 33.9 33.5 31.9 30.4 29.2 27.9 26.6 25 24.1 23.6 24.8 26.3 27.8 29.2 30.2 31.4 31.8 31.7 31.1 29.7 29.1 29.3
Ozaukee Grafton ppb 36.7 36.4 36 35.1 33.3 31.4 29.3 27.6 26 25.1 24.4 24 25.4 26.1 26.7 27.8 28.2 27.6 27.8 27.8 27.2 26.8 26.2 25.5
Ozaukee Harrington Beach ppb 36.8 36.2 35.5 34.6 32.9 31.4 29.9 28.7 27.8 26.9 26.4 26.4 27.1 27.9 28.4 28.5 29.1 29.4 28.7 28.1 27.4 26.2 25.4 25.5
Racine Racine ppb 40.2 39.7 39.2 38.2 36.5 34.7 32.7 30.8 29.2 28.1 27.5 27.1 27.3 28.4 29.6 30.8 31.5 31.2 30.6 29.7 28.5 26.6 25.3 23.9
Rock Beloit ppb 31.9 29.4 27.1 23.8 21.3 19 17.8 17.7 18.5 19.4 19.6 21.5 23 24.3 24.9 25.4 26.1 26.9 28.9 30.1 30.1 29.6 29.4 29.3
Sauk Devil's Lake ppb 36.3 36.1 35.5 34.2 32.7 31.6 30.4 28.9 27.9 27.1 26.4 26.8 27.9 28.4 29.2 30.4 31.5 32 32.2 32 31.4 30.8 30.4 30.6
Sheboygan Sheboygan - Haven ppb 34.4 34.7 34.9 34.9 34.7 33.7 32.6 31 30.1 28.9 27.6 27.2 27.3 28.2 29.4 31.1 31.5 31.7 31.6 30.6 29.1 27.3 25.9 25.2
Sheboygan Sheboygan - KA ppb 34.4 34.1 34.1 34 33.1 31.8 30.5 29.3 28.4 27.6 26.5 25.3 25.5 26.3 27.1 27.7 27.9 27.9 27.9 28.1 27.2 26 24.7 24.3
Vilas Trout Lake ppb 33.1 32.6 31.6 30.4 29 27.6 26.3 25.1 24.2 23.9 24.1 24.6 25.7 27.1 28.7 30.6 32.4 34.2 35.7 36.9 37.7 38.2 38.4 38
Walworth Elkhorn ppb 38.3 37.7 35.6 34 32.1 29.6 27.9 26.5 26 25.9 27.1 27.6 29.1 30.9 32.1 33 33.3 33.2 32.5 32.9 33.2 33.1 32.2 31.3
Waukesha Waukesha ppb 41.6 40.6 39.6 38.2 35.8 33 30.6 28.5 27.1 26.6 26.3 26.7 27.7 29.2 30.4 31.8 32.5 32.6 32.5 32.3 32.2 31.6 30.7 29.5