-
Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy PM2.5 levels is in effect from 7/12/2025 00:00 to 7/14/2025 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,Pierce,Pepin,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 .

Highest PM2.5

Filter by County:
Filter by Site:
Saturday, 
County Site Units 24-Hour Hour of Day 1-Hour Hour of Day
Outagamie Appleton µg/m³ 9.4 04 AM 11.2 11 PM
Ashland Bad River Tribal School µg/m³ 6.8 01 PM 8.1 02 AM
Kenosha Chiwaukee Prairie µg/m³ 10.4 07 PM 15.4 06 PM
Sauk Devils Lake µg/m³ 12.6 05 PM 16.6 03 PM
Eau Claire Eau Claire DOT Sign Shop µg/m³ 10.4 04 PM 12.7 02 PM
Brown Green Bay East High µg/m³ 8.3 03 AM 10.4 12 AM
Ozaukee Harrington Beach Park µg/m³ 8 12 AM 11.1 11 PM
Dodge Horicon Wildlife Area µg/m³ 9.5 03 AM 12.5 06 PM
Marathon Lake Dubay µg/m³
Dane Madison East µg/m³ 11.3 07 PM 14.3 02 PM
Dane Madison University Ave. Well #6 µg/m³ 14.4 07 PM 23.7 07 PM
Milwaukee Milwaukee-16th St. Health Center µg/m³ 10 11 PM 16.2 11 PM
Milwaukee Milwaukee-College Ave NR µg/m³ 9.3 11 PM 15.7 11 PM
Forest Potawatomi µg/m³ 7.2 04 AM 9.3 11 PM
Grant Potosi µg/m³ 13.1 11 AM 14.8 02 AM
Waukesha Waukesha-Cleveland Ave. µg/m³ 12.8 12 PM 18.2 10 PM