Advisories:

8-hr Ozone Summary

Search County:
Search Site:
Friday, 
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 22.1 21.7 21.3 20.9 20.1 19.7 19.5 19.3 18.7 18.4 18.5 18.4 18.9 19.1 19.1 19 19.1 18.7 18.2 17.6 16.4 14.5 12.3 10.1
Brown Green Bay - UW ppb 30.4 29.1 27.4 26.8 25.2 22.3 20.6 20.1 20.1 20.8 22.4 24 25.2 26.9 29.5 31.9 34.9 36 35.5 35.7 36.7 37.7 38.4 39.3
Columbia Columbus ppb 36.5 34.4 32.5 30.4 28.3 26.4 24.8 23.3 21.6 21.9 23.1 24.8 27.1 29.8 32.1 34.3 37.2 39.6 41 41.7 41.7 40.7 40.2 39.8
Dane Madison - East ppb 41.7 39.4 37.4 35.2 32.7 30.6 28.6 26.3 24.2 23.7 23.8 24.4 26.1 28.6 32 35.8 39.6 42 43.7 44.9 44.5 43.7 42.8 41.5
Dodge Horicon ppb 37.1 35.8 34.2 32.2 29.8 27.5 25.9 24.2 22.7 22.2 24 25.9 28.7 31.9 34.7 37.6 40.2 42.7 43.6 44.6 47.8 50.8 52.5 52.9
Door Newport ppb 26.6 26.4 26.2 26.4 26.5 26.6 26.7 26.8 27.2 27.5 28 28.3 29.3 30.2 31.7 32.3 32.3 32.4 32.9 34.5 36 37.2 37.4 38.6
Eau Claire Eau Claire ppb 23.5 23.9 25.3 27.1 29.2 30.6 31.3 31.7 32.1 32 31.4 30.5 30.3 31.1 32.3 31.9 31.3 31.1 31 32.8 32.7 31.1 29.4 28.7
Fond du Lac Fond du Lac ppb 32.2 31.1 29.4 27.9 26.9 26 24.6 23.3 23 23.1 23.9 25.4 26.8 29.6 31.9 33.6 35.9 38 39.3 40.2 43.4 45.7 48.5 50.6
Forest Potawatomi ppb 24.7 23.3 22.3 21.7 21.4 21.4 21.1 20.6 20 19.7 19.8 19.9 19.9 19.8 20.1 20.9 22.4 23.5 24.2 24.6 25.4 26.1 26.4 27
Jefferson Jefferson ppb 41.4 38.6 35.6 33.9 32.5 31.1 29.3 28.1 27.1 27.1 28.4 29.2 30.9 33.5 37.4 40.9 44.3 46.7 47.7 48.7 48.3 47.2 45.3 43.2
Kenosha Chiwaukee Prairie ppb 59.3 58.6 54.1 47.7 42.3 38.4 35.3 31 27.6 24.9 26.4 29.8 33.3 39.6 48.3 56.5 62.8 67.1 70.7 73.4 75.2 73 67 59
Kenosha Kenosha ppb 52 51.4 50.1 47 42.2 37.6 34.8 32.4 30.1 27.6 26.9 29.2 33.2 40 48.9 57.6 65.2 70.6 74.3 75.9 76.3 73.3 66.6 58.6
Kewaunee Kewaunee ppb 43.1 42 40.4 38.7 37.1 35.3 33.2 31.3 30.7 31.4 32.8 34.5 36.1 37.7 39.3 41 43 44.3 44.7 46.2 46.7 47.4 48.4 49.8
La Crosse La Crosse ppb 17.9 16.3 15.3 15.4 15.8 17.1 18.5 18.9 20.4 22.2 23.4 23.7 25.6 27.1 28.9 30.7 30.3 28.9 27.4 25.9 24.8 26.1 27.9 30.3
Manitowoc Manitowoc ppb 37.9 37.3 36 34.4 34.2 34.4 33.6 33.1 33.4 34 34.7 35.5 35.7 36.6 37.6 39.4 41.5 42.8 44.1 46.1 47.6 45.7 47.1 47.4
Marathon Lake DuBay ppb 33 33 32 30.4 28.8 26.4 24.1 21.3 19.3 18.3 17.9 18 17.9 19.3 20.8 22.3 23.1 24.5 26.9 29.6 32.6 34.4 35.2 36.3
Milwaukee Bayside ppb 41.5 39.9 38 34.5 32.9 32 31 29.2 28.3 28.6 30.5 34.4 36.6 40.4 45 50.8 57 62.8 68.7 73.5 77.4 77.6 75.2 71.2
Milwaukee Milwaukee-16th St. ppb 45.3 45.6 46.4 47.3 47.1 46.4 44.8 42.9 40.6 38.5 37.7 38 39.6 42.5 46.7 52.2 59.9 67.1 71.3 73.9 74.1 72.6 69.4 65
Milwaukee Milwaukee - UWM UPark ppb 45.6 45 43.4 41 39.8 38.3 36.6 34.7 32.5 31.6 33 36.1 39.2 42.5 47.2 53.8 61.3 68.8 74.6 78.3 80.1 79.9 76.2 71.2
Outagamie Appleton ppb 30.9 28.8 27.1 25.8 24.2 22.4 20.5 18.9 17.9 17.3 16.8 17.4 19 20.6 23.2 26.3 29.3 32.4 34 35.9 37.2 38.7 39 39.1
Ozaukee Grafton ppb 36.4 34.9 32.6 29.7 27.1 25.8 24.2 23.3 23.3 24.5 26.7 29.9 33.8 38 43.3 49 53.9 59.3 66 72.4 77 79.4 79.9 78.1
Ozaukee Harrington Beach ppb 35.7 33.2 30.1 27.5 25.6 24.2 23.5 24.4 26.5 28.5 30.9 34.2 36.9 40.4 45 48.2 50.1 52.9 56.7 61.4 65.5 67.1 68.7 68.8
Racine Racine ppb 48.8 49.8 50.9 50.7 48.6 45.6 42.7 39.7 37.3 35.4 35.2 36.8 39.8 44.9 51.4 59.3 66.2 72.2 76 78.2 79.3 78.4 74.4 67.7
Rock Beloit ppb 52.4 50.7 48.6 45.2 39.2 34.5 30.8 26.9 24.6 24.6 26.4 29.7 34.3 39.4 44.2 48.7 51.9 53.3 53 52.3 50.8 48.3 45.8 42.9
Sauk Devil's Lake ppb 33.3 32.4 31.6 30.5 30 28.9 27.5 25.1 23.5 23.7 24.9 26.8 29.3 31.8 34.1 37.2 39.4 39.7 38.3 37.3 36.9 36.3 34.2 32
Sheboygan Sheboygan - Haven ppb 35.4 34.3 33.3 31.7 30 28.6 28 29.5 30.6 31.5 31.6 31.7 33.8 37.2 41.3 41.3 43.8 46.6 47.9 48.7 48.2 47.6
Sheboygan Sheboygan - KA ppb 35 32.8 29.8 27.6 25.3 23.8 25.1 27.8 28.4 30.8 32.8 34.9 38.3 42.9 46.8 48.9 49.9 52.2 55.7 57.8 59.6 62.4 63.6 63.4
Vilas Trout Lake ppb 22.3 21.5 20.9 20.6 20.8 21.1 20.7 20.2 20.2 20.4 20.5 19.9 18.9 17.9 17.7 17.9 18 18 18 17.9 18 17.5 16.7 16.1
Walworth Elkhorn ppb 35.3 31.9 29.6 26.6 23.7 21.9 22.4 22.3 23.2 24.8 27 30 33.3 37.4 41.8 44.8 46.5 47.3 49.6 52.6 53 51.6 50.2 48.9
Waukesha Waukesha ppb 42 41.6 41.4 41.5 41.2 41.2 41.5 40.7 39.2 37.1 35.6 35 36.1 38.8 41.9 44 49.3 56.5 63.7 68.4 69.5 68.5 66.5 65.4