Advisories:

8-hr Ozone Summary

Search County:
Search Site:
Saturday, 
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 Tribal School ppb 7.9 5.3 3.7 3.3 3.6 4 4.6 5.6 6.8 8.6 10.6 13.2 15.9 18.7 21.3 23.4 25 25.7 24.6 22.4 20.7 19 17.6 16.1
Brown Green Bay UW ppb 20.1 18.2 17.1 15.9 14.6 13.5 13 13.2 14.8 17 19.5 22.5 26.1 29.8 33.2 36.4 39.2 40.1 39.6 38.4 36.7 34.4 31.6 28.4
Columbia Columbus ppb 19.3 17.7 16.5 15 13.7 12.5 11.8 12.5 13.7 15.5 17.7 20.7 23.9 27.7 31.4 34 36.1 36.9 37.2 36.5 35.4 34 32.5 30.9
Dane Madison East ppb 19.4 18.6 17.7 16.7 15.8 14.8 13.8 13.7 14.7 16.3 18.7 21.9 25.2 28.8 32.2 35.2 36.9 37.7 37.5 36.7 35.5 34.1 31.9 29.4
Dodge Horicon Wildlife Area ppb 20.4 19.1 17.7 16.3 15.8 15.8 16 16.8 18.4 20.5 23 25.9 28.1 30.1 32.2 33.8 34.9 35.3 34.8 33.8 32.4 30.7 28.9 27
Door Newport Park ppb 14.6 13.4 13.2 13.8 14.5 15.3 16.4 17.3 19 21.1 22.8 24.7 26.7 28.9 31.5 33.9 35.2 35.9 36.5 36.7 36.4 35.9 35.2 34.2
Eau Claire Eau Claire DOT Sign Shop ppb 15.3 16.1 16.2 16.3 17 16.9 17.3 17.7 18.2 18.6 19.9 21.7 23.7 26.1 27.8 28.7 29.4 29.8 29 26.9 23.9 20.3 16.6 13
Fond du Lac Fond Du Lac ppb 21.5 21 21.1 20.7 20.3 19.9 19.9 20.9 22.5 23.9 25.1 26.7 28.7 30.8 32.7 34.1 34.7 35.3 34.8 33.9 32.8 31.1 29.2 27.2
Forest Potawatomi ppb 18.8 17.6 16.6 16 15.9 16.3 16.9 17.7 18.4 19.3 20.5 22.7 24.9 27 28.8 30.3 31.4 31.6 31 29.9 28.5 27.5 27 26.8
Jefferson Jefferson-Laatsch ppb 21.3 20.8 20.1 19.2 17.9 16.5 15.7 15.5 15.7 16.5 18.3 20.5 23.5 26.8 29.8 32.4 34.7 35.9 36.1 35.5 34.5 32.5 29.4 25.7
Kenosha Chiwaukee Prairie ppb 33.4 32.6 31.9 32.2 32.5 32.3 31.8 31.3 30.7 31.8 33.1 33.5 33.8 34.6 35.5 36.5 37.2 37.6 37.7 37.7 34.9 31.8 28.3 24.6
Kenosha Kenosha-Water Tower ppb 33.1 32.9 31.7 29.2 27.3 24.8 22.3 21.5 21.5 22.3 24.4 27.8 30.5 33.5 36.3 37.4 37.9 38.1 38 37 35.8 33.8 32 29.1
Kewaunee Kewaunee ppb 22.9 21.3 19.6 18.2 17.7 16.9 16.6 16.9 18.3 20.2 22.7 25.5 27.9 30.4 32.5 34.4 35.7 36.1 35.7 34.9 34 32.8 31.3 29.6
La Crosse La Crosse DOT ppb 14.8 14.9 15.3 15.9 16.9 17.6 18 18.4 18.8 19.6 20.8 21.8 22.9 24.6 26.9 29.1 30.8 32.1 32.3 31.6 31.2 29.7 27.5 24.7
Manitowoc Manitowoc ppb 10.7 7.3 4.6 3 2 1.7 1.8 3.1 5.6 8.8 12.6 16.6 20.7 24.8 28.5 31.3 32.8 33.7 32.9 29.9 26.9 23.7 20.6 16.9
Marathon Lake Dubay ppb 13.3 11.1 9.5 8.2 7.3 7.2 7 7.3 8.7 11.5 15.2 19.3 23.3 27 31.2 35.3 38.5 39.5 39.5 40.1 39.8 38.5 35.6 32.7
Milwaukee Bayside ppb 30.8 31.3 31.7 32.3 32.7 32.6 32.2 31.7 31.2 30.8 30.5 30.3 30.4 30.7 31.2 31.8 32.5 33.1 33.2 31.9 29.6 26.3 22.7 19
Milwaukee Milwaukee-16th St. Health Center ppb 27.2 27.7 28.3 29.3 30 30.1 29.7 29.3 29.2 29 28.9 28.6 28.5 28.7 29.1 29.5 29.9 30.1 30.1 29.5 27.7 24.2 20.6 16.9
Milwaukee Milwaukee-UWM UPark ppb 29.7 30.4 30.9 31.8 32.5 32.7 32.2 31.7 31.1 30.7 30.4 30.1 30.1 30.4 31 31.6 32.4 33 33.1 32.2 30.5 27.9 24.5 20.7
Outagamie Appleton ppb 17.4 14.8 12.7 10.8 9.3 7.6 6.6 7.4 9.8 13.1 16.6 20.8 24.9 29.4 33.4 36.1 37.6 38.4 38 36.4 34.4 31.5 28 24.6
Ozaukee Grafton ppb 13.4 11.4 9.7 9 10 10.6 12.3 15 17.6 19.8 21.9 24.1 26 28.8 30.7 31.7 32.3 32.8 33.1 31.4 28.9 26.3 23.2 20.1
Ozaukee Harrington Beach Park ppb 23.7 22 20.8 19.6 18.3 16.9 17.2 18.9 21.1 23.1 24.7 26.5 28.4 30.2 32 33 33.4 33.6 33.5 32.9 31.3 29.8 28.1 25.9
Racine Racine-Payne & Dolan ppb 31 31.1 31 30.8 30.4 29.6 28.4 28.1 28.3 28.6 29 29.6 30.4 31.4 32.8 33.3 33.7 33.9 33.7 33.1 31.3 28.5 25.8 23
Rock Beloit-Converse ppb 21.2 19 17.1 15.5 14 12.4 11.1 11.3 13 15.7 18.9 22.3 26 29.8 33.2 35.7 37.3 38 37.8 37.1 36 34.7 33.2 31.3
Sauk Devils Lake ppb 17.8 17.4 17.7 18.4 19 19.4 19.7 20.3 20.9 21.8 23 24.7 26.5 28.7 31.2 33.5 35.4 36.4 35 32.5 30 27.8 25.8 23.2
Sheboygan Sheboygan-Haven ppb 15.5 13.3 11.4 10.1 9 9.2 9.4 10.8 13.7 16.4 19.5 22.9 26.3 29.3 32.2 34 34.7 35.2 34.6 33.7 32.3 30.9 29.1 26.5
Sheboygan Sheboygan-Kohler Andrae ppb 24.9 22.6 20.2 17.8 16 14.4 13.3 14.6 16.9 19.3 21.9 24.4 26.7 29.4 32 33.5 34.2 34.7 34.8 33.6 31.6 28.8 26.8 24.9
Vilas Trout Lake ppb 17.8 14.3 11.6 9.3 7.9 7.2 7.6 8.9 10.2 12.1 14.6 18.1 21.4 23.8 25.5 27 28 28.6 27.7 25 22.3 21 19.5 17.5
Walworth Elkhorn ppb 18.8 17.9 17.7 17.1 17.4 17.2 17.3 17.7 18.8 20.5 21.6 23.8 26 28.6 31.3 33.3 34.5 34.9 34.6 33.6 32.5 31.3 30.9 30.8
Waukesha Waukesha-Cleveland Ave. ppb 21.6 20.1 18.3 16.7 15.4 13.6 12.7 14 15.9 18.5 21.6 24.9 28 31.5 34.4 35.8 36.7 36.9 36.4 35 33.2 30.6 27.1 22.9