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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy for Sensitive Groups OZONE levels is in effect from 5/18/2024 12:00 to 5/18/2024 23:00 for these counties: Kenosha,Racine,Walworth,Milwaukee,Waukesha,Ozaukee,Washington,Sheboygan,Manitowoc .

Highest PM2.5

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Sunday, 
County Site Units 24-Hour Hour of Day 1-Hour Hour of Day
Outagamie Appleton µg/m³ 8.3 11 PM 12.1 10 PM
Ashland Bad River Tribal School µg/m³ 8.1 11 PM 11.2 11 PM
Kenosha Chiwaukee Prairie µg/m³ 7.8 11 PM 10 11 PM
Sauk Devils Lake µg/m³ 8.8 11 PM 12.7 11 PM
Eau Claire Eau Claire DOT Sign Shop µg/m³ 10.2 11 PM 13 05 PM
Brown Green Bay East High µg/m³ 7.6 11 PM 9.7 05 PM
Ozaukee Harrington Beach Park µg/m³ 5.6 11 PM 7.1 08 PM
Dodge Horicon Wildlife Area µg/m³ 8.7 11 PM 12.6 08 PM
Marathon Lake Dubay µg/m³
Dane Madison East µg/m³ 8.2 11 PM 13 09 PM
Dane Madison University Ave. Well #6 µg/m³ 9.3 11 PM 17.2 05 PM
Milwaukee Milwaukee-16th St. Health Center µg/m³ 13.7 10 PM 28.3 12 AM
Milwaukee Milwaukee-College Ave NR µg/m³ 9.1 11 PM 10.6 11 PM
Forest Potawatomi µg/m³ 7.1 11 PM 11.4 11 PM
Grant Potosi µg/m³ 11.5 11 PM 15.8 10 AM
Waukesha Waukesha-Cleveland Ave. µg/m³ 11.5 06 PM 13.3 12 AM