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 45.9 46.2 46.4 46.6 46.8 47 47.2 47.2 47.1 47 46.9 46.7 46.5 46.4 46.4 46.5 46.7 47.1 47.3 47.4 46.3 44.3 41.8 39.1
Brown Green Bay - UW ppb 42.9 44.2 45.4 46.2 46.8 47.1 47.4 47.3 47 46.4 46 45.9 46.1 46.4 46.9 47.6 48.1 48.6 48.9 49.4 49.8 50.2 50.4 50.2
Columbia Columbus ppb 40.8 41.5 42 42.2 42.1 41.9 41.8 41.7 41.5 41.4 41.6 42.5 43.7 45.1 46.5 47.7 48.8 49.2 49.1 48.6 47.6 46.2 44.9 44.2
Dane Madison - East ppb 38.8 38.6 38.7 38.7 38.4 38.5 38.6 39 39.7 40.7 41.3 42.3 43.7 45.2 46.5 47.7 48.7 49.1 49.3 49.1 47.6 46.5 44.9 42
Dodge Horicon ppb 39.8 40.2 40.8 41.4 41.4 41.3 41.3 41.4 41.6 41.8 42 42.6 43.6 45 46.5 47.7 48.7 49.4 49.6 49 48.3 47.3 46 44.6
Door Newport ppb 43.7 44.9 46.1 47.3 48.4 49.3 49.9 50.4 50.3 50.1 49.9 49.7 49.4 49.3 49.2 49.4 49.9 50.6 51.1 51.4 51.3 50.8 50.4 49.9
Eau Claire Eau Claire ppb 49.3 49.8 50.2 50.1 49.7 48.7 47.7 46.8 46.1 45.5 45.2 45.3 45.7 46.3 47.2 48.2 49.1 49.8 50 49.5 48.2 44.9 41.7 37.5
Fond du Lac Fond du Lac ppb 39.5 40.1 41 41.6 41.9 41.7 41.6 41.5 41.3 41.1 41.1 41.2 42.2 43.7 45.1 46.3 47.4 48.2 48.6 48.6 48.1 47.2 46.3 45.3
Forest Potawatomi ppb 47 47.9 48.5 48.9 49 49.2 49.2 49.1 48.8 48.6 48.4 48.3 48.4 48.5 48.9 49.4 50 50.5 50.9 51.1 51.1 50.9 50.4 49.8
Jefferson Jefferson ppb 38.4 38.8 39.2 39.4 39.3 39.1 39.1 39.1 39.3 39.7 40.2 41 42.2 43.7 45.4 46.9 48 48.6 48.4 47.8 46.2 43.6 41.5 39.9
Kenosha Chiwaukee Prairie ppb 37.1 36.9 37.1 37.4 37.6 37.8 38 38.4 39.1 39.9 40.8 42 43.4 44.8 46.3 47.5 48.5 49.5 49.9 49.7 49.1 48.3 47.4 46.1
Kenosha Kenosha ppb 37.5 37.4 37.3 37.3 37.1 37 36.8 37 37.5 38.2 39.1 40.4 41.8 43 44.6 45.9 47.1 48 48.2 47.2 46.1 44.7 43 41
Kewaunee Kewaunee ppb 44.1 44.8 45.8 46.8 47.3 47.6 47.7 47.9 48 47.9 47.6 47.5 47.7 48.3 49.1 49.8 50.5 51 51.1 51.1 51.3 51.5 51.3 50.5
La Crosse La Crosse ppb 46 45.9 46.1 46.1 45.6 44.2 42.5 41.3 40.5 40.2 40.2 40.6 41.5 42.9 44.4 46 47.5 48.6 49.3 49.3 48.6 46.4 44 42.2
Manitowoc Manitowoc ppb 40.5 40.9 41.8 42.8 43.5 43.7 43.9 44.2 44.4 44.5 44.3 44.2 44.5 45.2 46.3 47.2 47.9 48.7 49.2 49.3 48.9 48.4 48.1 47.3
Marathon Lake DuBay ppb 47.3 48 48.8 49.4 49.7 49.6 49 48.3 47.6 47 46.4 46 45.8 46 46.4 47 47.8 48.7 49.4 49.9 50.5 50.8 51 51
Milwaukee Bayside ppb 36.8 36.6 36.7 36.9 37.3 37.7 37.8 38.1 38.6 39.1 39.6 40.8 41.7 42.8 44 45.2 46.4 47.2 47.6 47.1 46.3 45.3 44.3 42.9
Milwaukee Milwaukee-16th St. ppb 36.7 36.7 37.1 37.5 37.6 37.4 37.3 37.4 37.6 38.1 38.7 39.6 40.7 42.2 43.6 45.1 46.3 47 46.8 45.7 44.2 42.8 41.5 39.4
Milwaukee Milwaukee - UWM UPark ppb 38.2 37.9 38.1 38.3 38.6 38.3 38.3 38.6 39.1 39.6 40.1 41.2 42.4 43.9 45.5 47 48.3 49.4 49.8 49.4 48.4 46.8 44.4 42.3
Outagamie Appleton ppb 43.6 44.7 45.8 46.5 46.5 46.6 46.5 46.4 46 45.5 45.1 45.1 45.7 46.5 47.4 48.4 49.3 49.9 50.2 50.2 50.3 50.3 49.9 48.7
Ozaukee Grafton ppb 39 39.2 39.6 40.3 41 41.4 41.5 41.5 41.7 42 42.3 42.7 43.3 44.3 45.5 46.7 47.8 48.7 49.3 49 48.5 47.8 47 45.8
Ozaukee Harrington Beach ppb 39.7 39.6 39.9 40.6 41.1 41.3 41.6 42 42.5 42.9 43.3 43.7 44.4 45.4 46.6 47.8 49 49.7 50.2 50.2 49.8 49.2 48 46.4
Racine Racine ppb 37.6 37.4 37.4 37.7 37.8 37.9 37.9 38.2 38.8 39.6 40.5 41.5 42.8 44.2 45.5 46.7 47.9 49 49.5 49.1 48.2 47.2 45.7 43.4
Rock Beloit ppb 37.9 38.1 38 37.8 37.5 37.1 36.9 37 37.5 38 38.8 39.9 41.3 43.2 45.1 46.9 48.2 49 49.2 47.7 45 41.8 38.1 33.7
Sauk Devil's Lake ppb 42.1 42.7 43 43.1 43 43 42.8 42.5 42.2 42.1 42.6 43.7 44.8 45.9 47.1 48.1 48.9 49.5 49.6 49.1 48.2 47.7 46.6 45.5
Sheboygan Sheboygan - Haven ppb 40.4 40.9 41.8 42.1 42.5 42.9 42.6 42.6 42.8 42.8 42.5 43 43.7 44.6 45.9 47.2 48.1 48.9 49.6 49.9 49.8 49.2 48.2 47.3
Sheboygan Sheboygan - KA ppb 39 39.2 39.5 40.5 41.2 41.6 41.6 41.8 42.1 42.4 42.8 43 43.6 44.6 46.1 47.5 48.6 49.6 50.1 50.3 50.1 49.7 48.7 47.7
Walworth Elkhorn ppb 37.1 37 36.9 36.8 36.9 36.6 36.4 36.7 37.2 38 38.9 40 41.1 42.6 44.2 45.8 47 47.8 47.9 47.3 46.4 45.5 44.5 42.8
Waukesha Waukesha ppb 38.1 38.1 38.4 39 39 39.1 39 39.1 39.6 40.2 40.9 41.8 43 44.3 45.9 47.5 48.7 49.4 49.6 48.7 48.1 46.9 45.6 43.7