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Noise monitoring program
Active Air Quality Notification
  • The DNR air map is experiencing technical difficulties; work is ongoing to restore the map to full functionality. Air Quality Advisories will continue to be posted on this site as needed.

Highest PM2.5

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Monday, 
County Site Units 24-Hour Hour of Day 1-Hour Hour of Day
Outagamie Appleton µg/m³ 3.8 02 AM 6.9 02 AM
Ashland Bad River Tribal School µg/m³ 2.3 12 AM 4.3 06 PM
Kenosha Chiwaukee Prairie µg/m³ 5.1 05 AM 8.5 03 AM
Sauk Devils Lake µg/m³ 4.7 12 AM 5.6 12 AM
Eau Claire Eau Claire DOT Sign Shop µg/m³ 5.7 12 AM 4.2 05 PM
Brown Green Bay East High µg/m³ 4.4 03 AM 5.7 12 AM
Ozaukee Harrington Beach Park µg/m³ 3.1 12 AM 4.4 05 AM
Dodge Horicon Wildlife Area µg/m³ 4.5 05 AM 5.7 04 AM
La Crosse La Crosse DOT µg/m³ 4.3 12 AM 8 12 AM
Dane Madison East µg/m³ 3.5 03 AM 6.1 01 AM
Dane Madison University Ave. Well #6 µg/m³ 4.8 02 AM 7.4 01 AM
Milwaukee Milwaukee-16th St. Health Center µg/m³ 4 05 AM 7 04 AM
Milwaukee Milwaukee-College Ave NR µg/m³ 3.8 11 AM 9 04 AM
Taylor Perkinstown µg/m³ 5.1 12 AM 3.1 05 PM
Forest Potawatomi µg/m³ 3.8 12 AM 3.7 01 AM
Grant Potosi µg/m³ 4.4 03 AM 7.2 03 AM
Vilas Trout Lake µg/m³ 3.5 12 AM 3.2 12 AM
Waukesha Waukesha-Cleveland Ave. µg/m³ 3.9 05 PM 7.2 03 AM