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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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Wednesday, 
County Site Units 24-Hour Hour of Day 1-Hour Hour of Day
Outagamie Appleton µg/m³ 4.9 09 PM 6.4 06 AM
Ashland Bad River Tribal School µg/m³ 3.8 09 PM 4.5 11 PM
Kenosha Chiwaukee Prairie µg/m³ 5.1 11 PM 8.8 11 PM
Sauk Devils Lake µg/m³ 5.5 11 PM 8.6 10 PM
Eau Claire Eau Claire DOT Sign Shop µg/m³ 5.5 09 PM 7.5 07 PM
Brown Green Bay East High µg/m³ 4.4 11 PM 7.5 07 PM
Ozaukee Harrington Beach Park µg/m³ 5.3 11 PM 9.8 11 PM
Dodge Horicon Wildlife Area µg/m³ 5.4 11 PM 12.6 11 PM
La Crosse La Crosse DOT µg/m³ 5.5 11 PM 9 11 PM
Dane Madison East µg/m³ 6.1 11 PM 10.9 08 PM
Dane Madison University Ave. Well #6 µg/m³ 6.9 11 PM 12.5 11 PM
Milwaukee Milwaukee-16th St. Health Center µg/m³ 7.3 11 PM 17.3 11 PM
Milwaukee Milwaukee-College Ave NR µg/m³ 6.7 11 PM 14.8 11 PM
Taylor Perkinstown µg/m³ 4.5 06 PM 6 12 AM
Forest Potawatomi µg/m³ 3.3 11 PM 4.8 06 PM
Grant Potosi µg/m³ 8.2 11 PM 15.9 11 PM
Vilas Trout Lake µg/m³ 3.3 02 PM 4 08 PM
Waukesha Waukesha-Cleveland Ave. µg/m³ 8.2 11 PM 17.9 09 PM