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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 7/5/2025 08:00 to 7/5/2025 23:00 for these counties: Kenosha,Manitowoc,Milwaukee,Ozaukee,Racine,Sheboygan .

  • Increases in firework displays over the holiday weekend may lead to short-lived, local spikes in PM2.5 concentrations. Visit https://dnr.wisconsin.gov/topic/AirQuality/Fireworks.html to learn more about air quality and health effects of fireworks.

Highest AQI

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Saturday, 
County Site AQS ID AQI Level Pollutant Occured AQI
Kenosha Chiwaukee Prairie 55 059 0019 Good OZONE 05 PM 34
Dodge Horicon Wildlife Area 55 027 0001 Good OZONE 05 PM 31
Grant Potosi 55 043 0009 Good PM2.5 11 PM 14
Waukesha Waukesha-Cleveland Ave. 55 133 0027 Good OZONE 06 PM 34
Milwaukee Milwaukee-16th St. Health Center 55 079 0010 Good OZONE 06 PM 33
Rock Beloit-Converse 55 105 0030 Good OZONE 05 PM 33
Sheboygan Sheboygan-Kohler Andrae 55 117 0006 Good OZONE 04 PM 32
Milwaukee Milwaukee-College Ave NR 55 079 0056 Good PM2.5 11 PM 24
Marathon Lake Dubay 55 073 0012 Good OZONE 04 PM 31
Dane Madison East 55 025 0041 Good OZONE 06 PM 34
Manitowoc Manitowoc 55 071 0007 Good OZONE 03 PM 32
Dane Madison University Ave. Well #6 55 025 0047 Good PM2.5 10 PM 24
La Crosse La Crosse DOT 55 063 0012 Good OZONE 04 PM 29
Milwaukee Milwaukee-UWM UPark 55 079 0068 Good OZONE 05 PM 34
Racine Racine-Payne & Dolan 55 101 0020 Good OZONE 05 PM 33
Oneida Rhinelander Tower 55 085 0996 Good SO2 12 AM 0
Kenosha Kenosha-Water Tower 55 059 0025 Good OZONE 04 PM 34
Outagamie Appleton 55 087 0009 Good OZONE 04 PM 29
Door Newport Park 55 029 0004 Good OZONE 03 PM 32
Ozaukee Harrington Beach Park 55 089 0009 Good OZONE 05 PM 34
Eau Claire Eau Claire DOT Sign Shop 55 035 0014 Good OZONE 04 PM 29
Milwaukee Bayside 55 079 0085 Good OZONE 05 PM 33
Outagamie Kaukauna 55 087 0015 Good SO2 12 AM 1
Forest Potawatomi 55 041 0007 Good OZONE 04 PM 30
Ashland Bad River Tribal School 55 003 0010 Good OZONE 03 PM 27
Sauk Devils Lake 55 111 0007 Good OZONE 04 PM 30
Brown Green Bay East High 55 009 0005 Good PM2.5 11 PM 25
Brown Green Bay UW 55 009 0026 Good OZONE 03 PM 30
Columbia Columbus 55 021 0015 Good OZONE 06 PM 32
Ozaukee Grafton 55 089 0008 Good OZONE 04 PM 33
Fond du Lac Fond Du Lac 55 039 0006 Good OZONE 04 PM 31
Jefferson Jefferson-Laatsch 55 055 0009 Good OZONE 05 PM 30
Sheboygan Sheboygan-Haven 55 117 0009 Good OZONE 05 PM 33
Walworth Elkhorn 55 127 0006 Good OZONE 05 PM 33
Kewaunee Kewaunee 55 061 0002 Good OZONE 03 PM 32
Vilas Trout Lake 55 125 0001 Good OZONE 05 PM 34