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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy PM2.5 levels is in effect from 8/3/2025 12:00 to 8/4/2025 12:00 for these counties: Adams,Ashland,Barron,Bayfield,Brown,Buffalo,Burnett,Calumet,Chippewa,Clark,Columbia,Crawford,Dane,Dodge,Door,Douglas,Dunn,Eau Claire,Florence,Fond du Lac,Forest,Grant,Green,Green Lake,Iowa,Iron,Jackson,Jefferson,Juneau,Kenosha,Kewaunee,La Crosse,Lafayette,Langlade,Lincoln,Manitowoc,Marathon,Marinette,Marquette,Menominee,Milwaukee,Monroe,Oconto,Oneida,Outagamie,Ozaukee,Pepin,Pierce,Polk,Portage,Price,Racine,Richland,Rock,Rusk,Sauk,Sawyer,Shawano,Sheboygan,St. Croix,Taylor,Trempealeau,Vernon,Vilas,Walworth,Washburn,Washington,Waukesha,Waupaca,Waushara,Winnebago,Wood .

8-HR Ozone Summary

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Tuesday, 
County Site Units 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23
Ashland Bad River Tribal School ppb 46.5 47.8 48.6 49.6 50.1 50.4 51.5 52.1 52 51.1
Brown Green Bay UW ppb 60.7 59.5 58.1 57 55.8 54.5 53.4 52 51 50.8 51.8 53.4 55.3 56.9 58.5 59.6 60.5 61 60.6 60.5 60.2 60.5 60.5 60.4
Columbia Columbus ppb 59.1 58.3 56.6 54.4 52 49.4 47.5 46.6 46.3 46.5 47 48.5 50.9 54.2 57.4 59.7 61.3 62.5 62.7 62.2 60.6 59 56.8 54.4
Dane Madison East ppb 62.8 60.8 58.3 55.5 53 50.9 49.1 47.9 47.3 47 47.5 49 51.1 53.9 56.9 59.1 61.2 62.6 63.5 63.4 62.8 61.5 60.1 58.3
Dodge Horicon Wildlife Area ppb 61.8 59.5 57.4 54.8 52 49.6 48 47.4 47.7 48.7 50.2 52.3 54.5 57.2 60.3 63.2 65.3 66.4 66.4 65.1 63.1 61.2 58.7 55.9
Door Newport Park ppb 74.8 71.6 68.2 64.5 61.2 58.4 56.8 55.2 54 52.2 52.4 53.2 54 55.4 56.9 59 61.5 64 64 64.3 64.2 63.6 63 62.1
Eau Claire Eau Claire DOT Sign Shop ppb 52.6 50.9 49.3 48.1 46.4 44.5 42.6 41.4 41 41.3 42.3 44.1 47.2 50.3 53.5 56.9 59.9 62.2 63.3 62.4 61 59.3 57.1 54.3
Fond du Lac Fond Du Lac ppb 61.4 60 58.6 57.1 55.1 52.6 50.9 50 49.6 50.1 51.3 53 55 57.3 59.8 62.1 63.8 65 65 63.5 62 60.9 59.4 57.6
Forest Potawatomi ppb 52.6 52.4 51.9 51.1 49.8 48.1 46.1 43.9 42.1 41.2 41.2 41.5 42.3 43.8 46.1 48.7 51 52.6 53.5 54.4 55.4 56.4 56.9 56.8
Jefferson Jefferson-Laatsch ppb 60.8 57.8 55.4 53.5 51.4 49.6 48.3 47.5 47.3 47.9 49 50.8 53.3 56.2 58.7 60.8 62.6 63.8 64.5 63.9 61.4 57.8 54.5 50.9
Kenosha Chiwaukee Prairie ppb 72 68.9 66.8 64.9 64.2 60.3 56.7 54.5 53.9 54.4 55 56.4 58 61 63.6 65.2 66.3 67.3 68.1 67.8 67.1 66 65 63.5
Kenosha Kenosha-Water Tower ppb 65 62.6 60.5 58.5 57.5 54.5 52.3 50.9 51.1 51.6 52.8 55.1 57 60.7 63.9 65.9 67.3 68.3 69 69.3 68.6 66.7 65.1 62.8
Kewaunee Kewaunee ppb 74.3 70.6 65.9 61.6 56.9 54.5 53.6 53.2 52.8 52.8 53.3 54.1 55.4 57.3 58.9 60.2 61.2 61.8 61.8 61.6 61.3 60.9 60.5 59.9
La Crosse La Crosse DOT ppb 48.4 48.1 47.9 47.7 47.5 46.2 45.3 44.6 44.3 44.1 44.7 45.9 47.4 50.3 52.8 54.5 56 56.9 56.9 55.9 53.5 50.3 47.5 45.2
Manitowoc Manitowoc ppb 87.3 80.6 71.5 62.7 56.4 46.8 42.8 41.2 41.8 43.6 47.5 50.7 52 56.2 58.2 59.9 61 61.4 61.1 60.3 59.6 58.8 57.4 55.6
Marathon Lake Dubay ppb 52.2 50.9 49.3 48 46.6 44.5 42.4 40.7 39.7 39.6 40.2 41.3 43.3 45.9 48.6 51.7 54.5 56.6 58.2 59.3 59.4 59.4 58.9 57.3
Milwaukee Bayside ppb 67.4 63.4 60.2 57.4 55.1 52.9 51 50.5 50.9 51.7 53 55.2 58.3 61.6 65 67.4 68.7 69.7 70.2 69.7 68.5 66.7 64.2 61.2
Milwaukee Milwaukee-16th St. Health Center ppb 59.9 56.8 54 52.5 50 48.1 46.7 46.2 45.6 50 54.1 58.5 62.7 65.7 65.5 65.1 65.1 64.3 63.2 61.6 59.6 57
Milwaukee Milwaukee-UWM UPark ppb 65.6 62 58.8 56 53.6 51.4 50.1 50 50.7 51.6 53.3 55.9 59.2 62.8 66.2 68.6 70 70.8 71.1 70 68.9 67.1 64.7 62
Outagamie Appleton ppb 62.1 60.9 59.3 57.8 56.6 55.1 53.8 52.7 52 51.9 52.2 52.7 53.7 55.2 56.6 57.6 58.4 59.1 59.5 60.2 60.4 60.6 60.6 60.2
Ozaukee Grafton ppb 61.3 58.5 56.4 54.3 52.7 51.9 51.4 51 50.8 50.9 51.6 53 55.5 58.4 61.1 63.3 65.2 67 67.8 67.3 65.9 63.2 60.1 57.2
Ozaukee Harrington Beach Park ppb 69.3 62.4 57.7 54.6 52.2 49.7 48.3 47.9 48.8 49.7 50.9 52.4 54.4 56.9 59.4 61.9 63.9 65.9 66.8 66.1 65.2 63.9 62.5 60.8
Racine Racine-Payne & Dolan ppb 68 62.9 60.3 58.5 56.8 54.5 52.5 51.4 51.3 51.8 53.1 54.9 57.8 61.3 64.4 66.4 67.7 69.2 70.6 71.1 70.3 68.7 67.1 65.1
Rock Beloit-Converse ppb 61.5 59.2 56.5 53.9 51.2 48.5 46.9 46.1 46 46.8 48.9 52 55.6 59.7 63.2 65.8 67.7 68.4 67.8 66.4 64.7 62.2 59.1 55.2
Sauk Devils Lake ppb 61.6 61.1 60.6 59.3 58.1 56 54.1 52.2 50.8 49.6 49.4 50.2 51.5 53.3 55.6 57.9 59.8 59.9 60.4 60.6 60.2 59.6 58.8 57.7
Sheboygan Sheboygan-Haven ppb 58.2 55.4 52.9 51.2 49.9 48.3 47.5 47.6 48.3 49.6 50.9 52.5 53.7 55.9 58.1 60.2 62.3 63.8 64.6 64.2 63.3 62.5 61.5 60.2
Sheboygan Sheboygan-Kohler Andrae ppb 82.2 73.8 66.1 59.6 52.9 48.1 44.1 41.9 41.7 43.3 46.1 49.3 53.5 56.5 58.8 60.8 62.9 64.2 63.5 61.1 58.1 56 55.2 54.2
Vilas Trout Lake ppb 54.3 52.9 50.6 48.2 47.3 45.7 44.2 43 42.2 42.1 43.3 45.1 45.7 47.1 48.5 49.9 51.5 52.6 53.5 54.2 54.7 54.8 54.7 54.4
Walworth Elkhorn ppb 58.1 54.9 51.9 49.2 46.8 45 43.8 44.2 45.2 46.7 48.7 51.9 55.6 59.4 63.1 65.7 68.4 70.3 70.7 69.9 68.5 66.9 64.4 61.1
Waukesha Waukesha-Cleveland Ave. ppb 63.1 60.2 57.1 54.2 51.4 48.2 46.4 45.9 46.2 46.9 48.3 50.7 53.8 57.9 61.4 63.6 65.1 66.4 66.9 66.3 65.4 63.4 60.4 57.7