Advisories:

8-hr Ozone Summary

Search County:
Search Site:
Monday, 
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 22.7 21.9 22.6 22.4 20.4 20.4 24.1 28.8 33 33.9 34.5 35.7 40.3 44 44.7 44.9 44.8 44.5 43.1 40.7 36.9 32.9 28.4
Brown Green Bay - UW ppb 41.6 40.3 39 37.9 37.2 34.4 32.6 31.9 32.2 33.2 34.7 36.4 38 41.8 44.8 47.3 49.1 49.8 49.8 49.3 48.3 46.7 45 43.2
Columbia Columbus ppb 48.5 46.2 44.3 42.8 41.9 40.6 38.6 37.7 37.7 38.7 40.5 42.6 44.2 46.2 48.8 51.2 53.1 53.8 53.6 52.3 50.8 49.4 47.9 46.8
Dane Madison - East ppb 49.4 46.9 44.3 41.4 40.2 36.7 34.3 32.4 31.6 31.9 33.8 36.9 39.2 43.3 47.2 50.5 53.3 55.1 54.9 53.6 51.9 50.4 48.7 47.1
Dodge Horicon ppb 46.6 44.9 43.2 41.8 41 36.8 35.1 34.1 33.6 33.8 35.4 37.9 39.8 44.5 47.8 50.3 52.5 53.8 53.9 53.2 53.1 52.7 52 50.4
Door Newport ppb 44.9 44.4 43.2 42.3 41.9 41 39.9 39.2 38.9 38.8 39.8 41.1 41.9 43 44.3 45.2 46 46.4 46.3 45.8 45.2 44.5 43.7 42.8
Eau Claire Eau Claire ppb 27.8 21.9 16.6 11.9 8.3 4.9 6 11.5 17.2 23 29 35.4 37.3 43.5 47.7 48.9 49.5 49.5 48.8 46.6 42.3 38.4 37.3 36.4
Fond du Lac Fond du Lac ppb 43.9 42.2 40.9 40 39.4 38 35.8 34 33.2 33.7 34.9 36.8 38.6 41.4 44.8 48 50.4 51.6 51.5 51 50.7 49.7 48.2 46.3
Forest Potawatomi ppb 48.1 47.8 47.7 47.4 47.3 46.9 45.9 45 44.5 44.3 44.1 44.2 44.2 44.6 45.8 46.9 47.6 48 48.3 48.4 48.4 48 47.1 46
Jefferson Jefferson ppb 43.1 40.9 38.6 35.5 34 31.3 29.6 30.9 31.1 31.6 33.6 38.1 40.6 45.8 50.8 53.9 56.4 58 58.1 57.3 55.8 53.9 52 50.5
Kenosha Chiwaukee Prairie ppb 51 49.1 47.6 46.4 45.3 43.4 44.2 43.7 43.4 43.8 44.8 46 46.8 48.4 49.6 50.9 51.7 52.2 52 51.7 50.7 50.4 50.1 49.9
Kenosha Kenosha ppb 52.4 50.5 49 47.6 46.7 44.3 42.2 41 41.1 41.7 42.6 43.9 45 47.2 50 51.4 52.2 52.7 52.1 50.7 50.1 49.5 49 48.7
Kewaunee Kewaunee ppb 48.2 47.2 45.6 44.2 43.8 41.3 39 37.3 36.3 36.5 38 38.7 39.3 41.2 43.2 45 46.3 46.9 47.2 47.9 48.1 48 47.5 46.5
La Crosse La Crosse ppb 42 38.2 34.3 30.6 28.7 26.5 24.5 23.1 24 26.4 29.8 33.9 35.9 39.9 43.3 46.9 49.1 50.2 50.5 50.5 50.4 50.3 50.1 49.8
Manitowoc Manitowoc ppb 47.3 44.2 41.1 38.2 37 33.2 30.1 28.3 27.6 29.6 32.3 35.3 37 40.6 43.8 45.9 47.4 48.4 48.8 49.3 48.9 48.4 47.7 46.8
Marathon Lake DuBay ppb 50.8 48.8 47.2 45.7 45 43.9 42.8 42.2 42 42.6 43.5 44.6 45.5 47.1 48.8 50.3 51.4 52 52.1 52.1 51.8 51.2 49.9 48.7
Milwaukee Bayside ppb 45.2 44.1 42.9 41.3 42.9 39.1 34.3 31.7 29.7 29 29.5 31.9 34.3 39.6 44 46.9 49.4 50.5 50.8 50.7 50.2 49.8 49.3 48.6
Milwaukee Milwaukee-16th St. ppb 38.4 37.9 37.3 36.7 38 34.9 31.3 28.9 27.4 26.2 26 27 28.2 32.1 34.9 36.4 37.4 37.1 35.4 35.2 35.8 36.4 36.9 37.3
Milwaukee Milwaukee - UWM UPark ppb 41.1 40.9 40.6 40.1 41.5 40.3 35.1 32.2 29.6 28.3 28.5 30.3 32.3 36.4 40.7 43.3 45.7 46.8 46.8 46.7 46.5 46.5 46.4 46.3
Outagamie Appleton ppb 43 40.6 38.1 36 35.4 33.2 31.3 30.7 31.5 32.3 33.9 36.8 38.3 41.6 45 47.3 48.7 49.7 49.7 49.2 48.5 47.1 45.3 43
Ozaukee Grafton ppb 45.1 44 41.7 39.9 40.4 37 34.4 33.3 32.7 32.1 33.9 36.9 38.4 42.2 45.1 46.8 47.9 49.1 49.5 49.6 49.2 48 47.1 46
Ozaukee Harrington Beach ppb 48.7 47.1 46 44.2 44.1 41.6 39.9 38.3 37.4 37.7 38.7 40.8 42.2 44.8 47 49.1 50.6 51.3 51.1 50.3 49.1 48.1 47.4 46.3
Racine Racine ppb 47.1 45.5 43.8 42.4 42.3 42.4 42 40.6 40.1 40 40.9 42.4 43.6 46 48.3 49.7 50.6 51.1 50.9 50.5 50.1 49.8 49.3 49
Rock Beloit ppb 41.5 39.8 39.9 41.1 39.9 37.4 35.9 35.6 36.2 36.7 38.8 41.5 43.4 46.6 49.6 53 55.7 57.9 58.5 57.7 54.2 51.7 48.2 46.4
Sauk Devil's Lake ppb 51.7 49.2 46.9 45.5 44.4 42.1 40 39.7 40.2 41.1 42.9 45 46.3 48.8 51.1 52.2 53.2 53.8 53.1 50.6 49 48.3 47.6 47.3
Sheboygan Sheboygan - Haven ppb 45.5 44 42.3 40.8 40.1 37.7 35.3 34 33.5 33.7 35.3 37.4 39.1 42 45 47.1 48.5 49.1 48.6 47.7 46.4 45.3 44.1 42.8
Sheboygan Sheboygan - KA ppb 49.6 48.3 46.4 44.2 43.1 39.4 36.3 34.6 32.4 31.1 31.4 32.8 34.3 37.5 40.4 42.1 44.2 45.9 47.3 48.4 48.7 48.8 48.5 47.8
Vilas Trout Lake ppb 40.6 38.2 35.5 32.6 31.2 30 28.8 29.6 31.8 34.4 37.2 40.3 41.1 42.9 45.2 46.5 47.1 47.4 47.4 47.2 46.7 45.8 44.6 43.5
Walworth Elkhorn ppb 46.9 44.9 43.8 42.9 42.5 41.5 40.6 40.4 40.5 41.4 43 45.1 46.4 49 51.9 54.2 56.3 57.6 57.3 56.2 54.6 52.6 50.2 48.5
Waukesha Waukesha ppb 44.8 43.2 41.8 40 40 38.6 37.1 35 34.2 34.6 36.1 38.7 41.2 45.8 50.4 54.1 56.6 57.7 57.8 56.7 54.4 52.5 50.9 49.3