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 Tribal School ppb 41.5 40 38.2 36.5 34.9 33.6 32.4 31.3 30.6 30.1 30.2 30.5 31.2 32.2 33.3 34.7 36 37 37.5 36.9 34.9 32.2 31.5 30.8
Brown Green Bay UW ppb 39.2 38.4 37.3 36.1 34.9 33.6 32 30.1 28.8 27.7 27.1 27 27.5 28.5 29.4 30.4 30.7 30.1 28.9 27.2 25.6 24.8 24.8 24.9
Columbia Columbus ppb 21.8 22.1 22.3 21.8 21.8 22.1 22 21.9 21.4 20.7 20.7 21.3 22.1 23.3 24.7 26.9 29.4 31.5 33.3 34.3 35.2 35.7 36.3 36.5
Dane Madison East ppb 11.1 9 7.6 6.5 4.9 3.5 2.3 2.1 3.2 4.9 7.4 10.4 13.5 17.5 21.9 26.5 30.2 32.6 32.8 32.8 32.2 32.8 32.8 32.2
Dodge Horicon Wildlife Area ppb 28.4 27.5 26.7 26.2 26 25.6 24.9 24.1 23.3 22.9 23.3 24.4 26.2 28.4 30.4 32.4 34.7 36.9 38.3 39.2 39.4 39.2 39.1 39
Door Newport Park ppb 46.1 45.5 44.6 43.4 42 40.8 39.6 38.3 37.1 36.1 35.5 35.2 35 34.6 34.3 33.8 33.3 32.7 31.8 30.9 29.1 27.1 24.8 22.4
Eau Claire Eau Claire DOT Sign Shop ppb 28.3 27.1 26.3 25.7 25.5 24.9 24.4 23.3 22.5 22.4 22.6 23.4 24.8 26.9 29.7 32.5 35 36.7 37.9 38.5 38.3 37.4 36.2 34.8
Fond du Lac Fond Du Lac ppb 35.9 34.8 33.5 32.6 32 31.6 30.9 29.8 28.5 27.5 27.1 27.4 28.5 30.2 32.5 34.7 36.4 37.8 39.2 40.2 40.5 40.5 40 39.6
Forest Potawatomi ppb 42.3 41.5 40.7 39.9 39.1 38.4 37.5 36.4 35.2 34.1 33.6 34.1 35.4 37.2 39.3 41.9 44.6 46.5 47.5 47.9 47.4 46.4 45.1 43.5
Jefferson Jefferson-Laatsch ppb 22.9 24.6 24.4 24.2 23.5 21.8 19.9 18.3 17.2 16.2 16.3 17.1 18.3 21 24.3 27.9 31 33.1 34.7 34.7 34.8 35.1 35.1 34.3
Kenosha Chiwaukee Prairie ppb 36.5 35 31.3 27.4 23.1 19.1 16.2 13.6 11.6 10.3 11.2 11.5 12.1 12.5 12.8 14.7 19 22.4 25.4 28.4 32.3 36.4 40.3 42.6
Kenosha Kenosha-Water Tower ppb 33.6 32.1 30.5 28.2 25.9 23.2 19.6 16.1 14 12.8 12.8 12.6 14.4 17.9 22.8 28 32.4 35.7 37.5 39.5 40.1 39.8 39.5 39.3
Kewaunee Kewaunee ppb 43 42 40.7 39.4 38 36.5 35 33.7 32.5 31.7 31.2 31 31.2 31.4 31.6 31.8 31.6 30.8 28.8 26.2 23.3 20.1 17.2 16
La Crosse La Crosse DOT ppb 27.2 25.7 24.9 23.8 22.6 21.2 19.8 18.8 18.3 18.3 18.8 19.3 20.3 21.8 24.2 26.9 29.5 31.6 33.3 34.5 35 35.5 35 34
Manitowoc Manitowoc ppb 42.8 41.5 40.1 38.8 37.1 35.3 34 32.5 31.4 30.8 30.4 30.3 30.3 30.5 30.7 30.7 30.2 29.3 27.8 25.9 22.9 19.6 16.2 13
Marathon Lake Dubay ppb 35.6 35.5 35.4 35 34.2 33 31.4 29.7 28.3 27.3 26.9 27.2 28.2 29.9 32.4 35.1 37.8 39.8 41 41.5 41.4 40.9 40.1 39.2
Milwaukee Bayside ppb 35.7 34.4 31.6 29.1 26.7 22.3 18 14 11 8.9 9.2 9.1 9.7 12.4 14 14.7 14.2 15.8 18.2 19.4 19.2 20.2 23.2 27.2
Milwaukee Milwaukee-16th St. Health Center ppb 27.9 27 25.7 23.4 20.4 16.6 12.9 9.7 8.3 7.8 7.7 8.3 9.2 10.7 11.6 13.6 17 19.4 21.2 21.6 22.7 25.1 28.7 31.1
Outagamie Appleton ppb 35.1 33.9 31.8 29.7 27.4 24.6 21.6 18.9 17.9 17.9 18.1 18.7 20.2 23.2 27.2 31.8 34 33.7 32.2 31.7 31.5 30.9 29.7 27.6
Ozaukee Grafton ppb 37.8 36.3 35 34.2 33.2 32 29.8 26.2 25.1 23.1 21.4 20 19 19 20 21.3 19.3 17.2 17.8 18.2 19.6 20.7 22.9 26.3
Ozaukee Harrington Beach Park ppb 38.6 37.1 35.6 34.2 33.2 32.1 31.1 30.1 29.2 27.9 26.6 25.9 25.6 25.6 25.1 24 22 19.4 16.7 15.4 15.1 14.2 15.7 18.5
Racine Racine-Payne & Dolan ppb 37.8 36.8 35.1 32.3 29.1 26.7 23.7 20.4 18.2 16.6 15.9 16.3 16.6 15.7 15.5 15.9 16.9 19.6 21.5 23.2 25.3 28.9 32.9 36.9
Rock Beloit-Converse ppb 11.6 8.7 6.4 4.8 3.5 2.4 1.8 1.8 2.9 4.9 7.7 11.1 15.2 20.2 25.7 31.1 35.5 37.8 38 38.7 39.1 38.7 37.8 36.8
Sauk Devils Lake ppb 19.7 18 16.9 16.6 17.5 18.5 18.9 19 20 21.1 22.1 23.4 24.5 26.4 28.7 31.7 34 35.8 37.3 38.5 39.9 41.1 41.9 41.9
Sheboygan Sheboygan-Kohler Andrae ppb 21 18.4 16.3 12.7 10.6 11.1
Vilas Trout Lake ppb 41.3 40.3 39.2 37.9 36.6 35.4 34.1 33 32 31.1 30.7 31 31.7 33 35.2 37.6 40.2 42.6 44.8 46.3 47.3 47.5 46.9 45.5
Waukesha Waukesha-Cleveland Ave. ppb 29.3 28.9 27.3 24.7 20.9 16.9 13 9.4 6.8 5.6 6.9 10.2 14.3 19.2 24.1 29.2 33.8 36.8 37.9 37.2 35.8 35.1 34.6 34