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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy OZONE levels is in effect from 7/16/2025 12:00 to 7/16/2025 19:00 for these counties: Kenosha,Racine,Milwaukee,Ozaukee,Sheboygan .

Highest PM2.5

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Friday, 
County Site Units 24-Hour Hour of Day 1-Hour Hour of Day
Outagamie Appleton µg/m³ 7.3 11 PM 12.5 05 PM
Ashland Bad River Tribal School µg/m³ 3.1 10 PM 4.2 01 PM
Kenosha Chiwaukee Prairie µg/m³ 5.7 11 PM 19.1 10 PM
Sauk Devils Lake µg/m³ 8.5 11 PM 12.6 05 PM
Eau Claire Eau Claire DOT Sign Shop µg/m³ 9.4 11 PM 15 08 PM
Brown Green Bay East High µg/m³ 5.8 11 PM 10.6 03 PM
Ozaukee Harrington Beach Park µg/m³ 5.3 11 PM 9.1 09 PM
Dodge Horicon Wildlife Area µg/m³ 8.1 11 PM 10.7 06 PM
Marathon Lake Dubay µg/m³
Dane Madison East µg/m³ 8 11 PM 14.7 06 PM
Dane Madison University Ave. Well #6 µg/m³ 8.5 11 PM 13.2 08 PM
Milwaukee Milwaukee-16th St. Health Center µg/m³ 9.7 11 PM 17.2 05 PM
Milwaukee Milwaukee-College Ave NR µg/m³ 10.3 11 PM 18.6 09 PM
Forest Potawatomi µg/m³ 3.5 11 PM 5.3 04 PM
Grant Potosi µg/m³ 7.4 11 PM 16.2 11 PM
Waukesha Waukesha-Cleveland Ave. µg/m³ 10.7 11 PM 19.6 05 PM