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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 4.3 02 PM 5.1 05 AM
Ashland Bad River Tribal School µg/m³ 4.1 01 AM 5.5 12 AM
Kenosha Chiwaukee Prairie µg/m³ 6.5 12 AM 7.2 07 PM
Sauk Devils Lake µg/m³ 4.4 05 PM 5.2 06 AM
Eau Claire Eau Claire DOT Sign Shop µg/m³ 4.2 12 AM 8.7 05 AM
Brown Green Bay East High µg/m³ 4.5 09 AM 5.6 05 AM
Ozaukee Harrington Beach Park µg/m³ 4.4 12 AM 5.4 02 PM
Dodge Horicon Wildlife Area µg/m³ 4.2 04 PM 5 03 AM
La Crosse La Crosse DOT µg/m³ 5.4 06 PM 7.7 05 AM
Dane Madison East µg/m³ 4.6 07 PM 6.1 06 PM
Dane Madison University Ave. Well #6 µg/m³ 4.6 07 PM 6.4 07 PM
Milwaukee Milwaukee-16th St. Health Center µg/m³ 7.3 12 AM 6.3 07 PM
Milwaukee Milwaukee-College Ave NR µg/m³ 6.9 12 AM 6.5 07 PM
Taylor Perkinstown µg/m³ 3.6 04 AM 4.6 03 AM
Forest Potawatomi µg/m³ 3.4 12 AM 4.2 02 AM
Grant Potosi µg/m³ 6.2 06 PM 7.1 12 AM
Vilas Trout Lake µg/m³ 3.6 01 AM 4.8 01 AM
Waukesha Waukesha-Cleveland Ave. µg/m³ 6.8 12 AM 5.8 03 AM