Advisories:

8-hr Ozone Summary

Search County:
Search Site:
Sunday, 
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 15.9 15.8 16.7 18.2 19.4 20.7 21.5 22.5 24.9 28.3 31.2 34.1 37.8 41.2 44.1 46.4 47.3 47.4 47 45.5 42.1 38.4 34.7 30.4
Brown Green Bay - UW ppb 42.6 41.9 40.6 39.5 38.5 36.4 34.2 32.2 31.2 30.4 30.5 31.8 33.4 35.4 37.8 40.2 42.4 44.1 45.2 44.8 44 43.3 42.3 41.3
Columbia Columbus ppb 29.2 26.6 24.5 22.9 21.9 21.2 21.2 21.6 22.6 24 26.3 28.8 31.6 34.6 37.8 40.7 43 44.7 44.7 43.5 42 40.2 37.6 34.7
Dane Madison - East ppb 33.1 30 27.7 26.2 25.2 24.5 24.1 24.2 25 26.3 28.5 31.2 33.8 36.8 40.3 43.6 46 47.7 47.8 47.3 46.7 45.8 44.4 43
Dodge Horicon ppb 33.5 31.7 29.5 27.6 26.4 25.6 25 24.8 25.7 26.8 28.4 30.4 32.8 35.1 38.1 40.9 43.2 45.3 46.7 46.6 45.4 44.3 42.5 40.6
Door Newport ppb 41.3 40.8 41.3 40.9 41.1 43.2 42.2 41.4 40.9 40 38.4 38.3 39 39.5 40.1 40.6 41.7 43.4 45.3 45.9 44.9 44 43.1 42.4
Eau Claire Eau Claire ppb 31.9 31.4 30.9 31.1 31.7 30.8 30.2 30.6 30.9 31.5 33.2 35.1 37.7 41 44 46.5 48.6 50 49.8 48.4 43.7 39 34 28.1
Fond du Lac Fond du Lac ppb 33 31.5 29.7 28.2 26.9 25.2 24 23.1 23.5 24.5 26.2 28.6 31.1 33.4 36 38.8 41.3 43.7 44.8 44.4 43.6 42.3 40.9 39.2
Forest Potawatomi ppb 30.1 30.7 31.4 32.3 33 33.3 33.2 32.7 32.2 31.8 32.1 32.7 34.1 36.1 38.5 41 42.6 43.4 43.4 42.2 41 39.3 37.7 36
Jefferson Jefferson ppb 29.7 27.7 26.7 25.9 25.4 25.3 25.4 25.7 26.2 26.6 26.8 28.5 31.1 34 37.1 40.5 43.4 45.4 46.9 46.3 43.9 41.1 38.4 35.4
Kenosha Chiwaukee Prairie ppb 38.1 35.8 33.7 31.6 29.9 28.4 27.7 26.8 26.4 26.9 28.1 29.4 31 32.3 33.7 35.4 36.7 38.1 38.8 39.1 39.4 39.7 39.5 38.6
Kenosha Kenosha ppb 34.3 33 30.9 29.3 28 27.2 26.9 26.4 26 26.3 27.4 28.7 30.1 31.1 32.5 34.2 36.1 37.3 37 36.3 35.7 34.7 34.1 31.6
Kewaunee Kewaunee ppb 47.8 45.4 44.1 43.7 43.3 43 42.2 40.2 38.7 37.1 35.8 36 36.8 37.5 38.1 40.3 42.8 45.2 46.7 46.7 45.8 44.6 43.7 42.4
La Crosse La Crosse ppb 18.2 16.1 18.2 20.6 24.2 27.6 30.4 32.9 35.4 37.6 37.2 37.1 37.3 38.1 39.5 41 42 43.2 43.6 42.8 40.9 38 34.6 31
Manitowoc Manitowoc ppb 44.1 41.9 39.3 38.8 39.1 37.5 36.6 34.5 33.1 32.3 32.4 33.6 34.6 35.5 36.5 38.4 40.8 42.7 44.3 44.4 43.2 41.3 39.9 38.3
Marathon Lake DuBay ppb 29.7 28.4 28.2 28.5 27.4 26.7 26.6 25.5 25.7 26.9 28.2 29.7 32.8 36.1 38.7 41.1 42.5 43.4 44.3 44.5 43.8 42.1 39.8 37.9
Milwaukee Bayside ppb 30.6 29.1 28.2 25.6 24.4 24.2 24.3 24.9 24.6 25.4 27 28.4 29.5 32.1 35.4 38.4 41 43.3 44.8 45.8 46.5 45.8 44.2 42.5
Milwaukee Milwaukee-16th St. ppb 32.6 30.4 28.8 26.4 24.7 24 23.5 23.5 24.1 25.1 26.1 27.4 28.6 30.6 34 37.1 40 42.5 44 45.1 46 45.8 44 42.4
Milwaukee Milwaukee - UWM UPark ppb 31.8 29.6 28.7 26.8 25.2 25.4 25.6 25.5 26 26.7 27.7 28.5 29.2 31.6 35.3 38.7 42 44.8 46.7 48.1 49.4 49 47.3 45.5
Outagamie Appleton ppb 40.4 40 39.4 38.8 37.2 34.5 32 30.2 28 26.7 27.5 28.5 30.8 33.4 36.7 39.7 42.2 43.8 43.9 43.4 42.6 41.4 39.9 38.4
Ozaukee Grafton ppb 38.6 36.8 35 32.1 29.8 28.1 27.5 25.6 24.5 24.5 25.4 27.7 29.7 33.3 36.6 39.5 42.4 44.4 45.7 46.3 46 44.4 43 41.1
Ozaukee Harrington Beach ppb 43.6 41.8 40.3 38.8 36.1 34 30.8 28.3 27.4 27.5 28.3 28.7 31 34.4 37.8 41.1 43.7 45.6 47.1 48.3 48 46.7 45 42.9
Racine Racine ppb 37.8 34.3 31.9 30.3 29 28.1 27.7 27.7 28.2 28.8 29.8 30.8 32 33 34.9 37.5 40 41.8 43.4 44.9 45.2 45.4 44.3 42.3
Rock Beloit ppb 28.4 26.9 26 25.5 25.1 24.7 24.1 23.6 23.7 24.5 25.3 26.2 28.2 30.8 34 37 39.5 41.3 42.3 42.3 40.1 37.2 33.7 30
Sauk Devil's Lake ppb 27.5 26.2 25.6 27.1 28 27.6 26.7 26.5 27.4 29.4 32 34.4 35.8 37.6 40.2 42.9 44.7 45.6 44.9 44.2 43.5 41.7 41.1 40.1
Sheboygan Sheboygan - Haven ppb 39.5 37.1 36.3 36.6 36.2 34 31.1 28.2 27.1 27.5 27.7 28.9 30.3 32 34.9 38 40.5 42.2 43.6 43.9 43.1 42.1 41.1 40.1
Sheboygan Sheboygan - KA ppb 40.3 38.2 37.4 36 33.9 32.8 31.2 29.4 29.1 29.3 29.8 30.9 32.6 34 35.9 38.4 40.6 41.8 42.7 42.5 41.7 40.1 38.2 36.4
Vilas Trout Lake ppb 27.1 27.1 27.3 27.8 27.8 28.8 31.1 31.7 31.2 31 32.2 33.7 35.7 37.9 40 41.8 43.1 43.9 43.7 43.2 42.1 40.6 38.8 37
Walworth Elkhorn ppb 24.9 23.1 22.6 23.4 24.2 24.4 24.5 24.1 24 24.4 25.4 26.8 27.7 30.1 33.4 36.9 39.3 41.5 42.9 42.9 43.3 41.5 39.2 37.2
Waukesha Waukesha ppb 32.8 30.1 27.8 25.2 23.6 22.4 21.8 22 22.8 23.6 24.5 25.6 27 30.7 34.5 37.9 41.5 44.3 46.2 47.5 47.9 46 44.3 42.9