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 19.9 15.9 11.9 7.8 4 2 0.9 1.3 3.4 6.1 9.5 12.9 16.3 19.8 23.6 26.6 28.4 29.3 29.8 29.4 28.1 26.3 23.7 20.7
Brown Green Bay - UW ppb 23.3 22.7 22.8 23.2 23.8 24 23.5 23.4 24 24.9 26.4 28.2 29.9 32.4 35.3 37 37.5 37.4 35.7 32.9 30.4 27.7 24.8 22.6
Columbia Columbus ppb 30.9 28.8 27.3 25.8 24.8 24.4 23.7 22.9 22.6 23.6 25 27.1 29.7 32.3 35.6 39.2 41.9 42.5 42.5 41.6 40.3 38.1 35.1 32
Dane Madison - East ppb 29.8 25.7 22 18.5 15.8 12.8 10.3 9.3 10.6 13.1 16.9 22.1 27.4 33.4 39.5 43.6 45.5 46.4 46.2 44.9 43.1 40.9 38.6 36.6
Dodge Horicon ppb 28.1 25 22.2 21.3 19.9 18.5 17.1 17.1 18.2 20.8 24.1 26.4 29.6 33.1 36.9 40.1 41.9 42.5 42.5 42 41 40.1 38.8 37.2
Door Newport ppb 28.9 29.1 29.5 28.2 26.2 25 24.4 23.7 23.7 24.5 25.8 27.1 29.2 30.8 32.1 33.4 33.8 32.4 30.7 29.8 28.2 27.1 26.6 26.4
Eau Claire Eau Claire ppb 10.8 6.8 3.9 2.6 2.4 2.6 2.8 4 6.2 8.7 11.7 15.4 19.4 23.4 27.7 30.3 30.6 29.9 28.6 26.8 24.4 22.2 20.7 20.5
Fond du Lac Fond du Lac ppb 26.2 24.6 24.2 24.1 23.9 23.2 21.5 20.3 20.7 22.2 24.2 26.3 29.1 32.6 36.2 39.2 40.2 40.1 39.4 38.1 36.6 34.8 33.1 31.5
Forest Potawatomi ppb 31.3 30.6 30.4 29.8 29.5 29.9 29.9 30 30.3 30.6 31.2 32.2 32.7 33.5 34.5 34.9 34.6 34.5 33.8 32.9 32.1 31.7 31.4 31.3
Jefferson Jefferson ppb 25.1 21.1 17.7 14.1 10.7 8.7 7.8 8.9 10.9 14.3 18.6 23.8 29.7 36 37.4 41.3 44.8 47 46.9 46.1 45 43.3 41.2 39
Kenosha Chiwaukee Prairie ppb 37.7 36.8 35.5 32.8 29.7 26.3 23.3 21.7 21.2 21.5 23.1 27.1 31.5 35.8 39.8 42.2 43.6 44.1 44.1 43.9 43.9 44.3 44.7 45.2
Kenosha Kenosha ppb 26.9 23.1 20.2 17.7 14.4 12 9.9 8.9 10.8 13.9 17.2 21.5 26.9 31.9 36.6 40.3 41.5 42.1 42.1 41.4 40.7 40.6 40.8 40.8
Kewaunee Kewaunee ppb 26.3 24.9 23.6 23.6 23.9 24.5 24.7 25.2 26.3 27.9 29.9 31.7 33.4 35.1 36.7 38 38.7 38.7 38.5 38.3 38 38 38 38.2
La Crosse La Crosse ppb 26.1 22.3 19.4 17 15.2 12.8 10.7 11.6 13.2 15.6 18.9 22.3 24.6 27.8 31.2 32.9 34 34.3 34.2 33.7 33.6 34 34.2 34.5
Manitowoc Manitowoc ppb 15.6 12.8 11.6 12.1 12.3 12.8 13.3 14.5 16.7 19.5 22.5 25.4 28.4 31.3 34.3 36.7 37.8 37.7 35.9 32.8 30.1 26.4 22.4 18.3
Marathon Lake DuBay ppb 28.4 27 24.8 22.8 20.7 19.1 17.9 17.6 18.2 19 20.4 21.8 24.2 26.4 28.6 30.1 30.7 30.9 30.6 30.3 29.7 29.4 29.3 29.2
Milwaukee Bayside ppb 25 25.4 22.6 20.4 21.1 20.5 19.3 20.6 22.8 22.7 25.9 28.8 29.5 32.4 36.5 38.7 39.3 39.6 39.5 40.2 40.2 39.7 40 38.8
Milwaukee Milwaukee-16th St. ppb 18.9 16.7 14.7 13.1 11.1 9.3 8.4 10 12.7 15.6 18.8 22 25.9 30.1 34.2 36.9 37.6 37.8 37.5 37.2 36.4 36.2 36.4 35.9
Milwaukee Milwaukee - UWM UPark ppb 26.5 24.1 21.5 18.4 15.4 13.1 11.4 11.8 14.1 16.8 20 23.6 27.6 31.9 36.2 38.9 39.6 40.1 40 40.1 40.5 40.4 41 40.6
Outagamie Appleton ppb 16 13.5 12.1 11.8 12.1 12.7 13.6 14.5 15.7 17.5 20.1 22.9 25.9 29.1 32 34.8 37.1 38.2 38 36.5 34.4 31.9 29.2 26.6
Ozaukee Grafton ppb 25.8 24.2 23 21.2 19.5 18 16.1 15.6 17.1 19.2 21.4 24.5 28.8 32.8 36.9 40.1 41.2 41.7 42.2 42.5 41.1 39.1 37.7 34.5
Ozaukee Harrington Beach ppb 31.1 31.6 31.7 30.8 30.2 29.8 29.1 27.4 26.4 26.1 26.8 29.2 31.6 34.4 37.4 40.3 41.6 42 42.1 42 41.4 39.3 37.4 34.8
Racine Racine ppb 36.4 35.9 35.7 34.5 31 27.1 23.6 22.4 22.3 22.6 23.4 25.5 29.7 34.3 38.6 40.7 41.7 42.1 42.2 41.9 41.5 41.2 41.4 41.3
Rock Beloit ppb 33 29.5 26.5 23.5 21.2 19.2 17.4 16.2 16.5 18.7 21.7 25.4 29.2 33.9 39.1 43.9 47.7 49.5 49.5 49.1 47.8 45.4 42.7 39.7
Sauk Devil's Lake ppb 28.3 25.9 24.7 23.9 22.8 21.9 20.6 21.3 22.6 24.2 26.2 28.9 32.2 35.1 37.7 39 39.5 39.1 38 38.1 37.4 36.4 35.4 34.3
Sheboygan Sheboygan - Haven ppb 24.9 23.1 21.6 20.5 19.5 18.8 18.4 18.5 19.6 21.7 24 26.5 29.5 32.5 35.2 37.7 39.5 39.8 38.8 37.6 35.8 32.9 30.5 27.6
Sheboygan Sheboygan - KA ppb 37.4 37.9 37.6 34.7 31.4 28.1 25.1 23 22.3 22.2 22.8 26 29.4 33.1 36.6 39.3 40.6 41.7 42.1 42.1 42.3 41.7 41.6 39.6
Vilas Trout Lake ppb 25.6 24.2 23.4 22.5 21.5 20.2 19.5 19.4 20.2 21.8 23.6 25.8 28.5 31.4 34 35.8 36.5 36.3 35.3 33.3 30.7 28.1 26 24.1
Walworth Elkhorn ppb 29.5 26.2 23.2 21.6 20.6 20.1 20.2 20.3 21.3 23.7 27.4 30.5 32 34.2 38.8 43.2 46.5 47.8 46.9 44.4 42.9 41.2 37.7 34.2
Waukesha Waukesha ppb 26.4 23.6 21 19.3 17.9 16.9 15.7 14.8 16.1 18.9 23.2 27.9 33.3 37.4 41.7 45.2 46.5 46.7 45.6 43.4 40.1 38.4 36.5 34.8