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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 8/8/2025 13:50 to 8/8/2025 23:00 for these counties: Door,Kenosha,Kewaunee,Manitowoc,Milwaukee,Ozaukee,Racine,Sheboygan .

Highest AQI

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Wednesday, 
County Site AQS ID AQI Level Pollutant Occured AQI
Monroe Ho-Chunk Nation-Tomah 55 081 2001 Moderate PM2.5 01 PM 90
Kenosha Chiwaukee Prairie 55 059 0019 Unhealthy for Sensitive Groups OZONE 07 PM 116
Dodge Horicon Wildlife Area 55 027 0001 Unhealthy for Sensitive Groups PM2.5 03 AM 107
Grant Potosi 55 043 0009 Moderate PM2.5 10 AM 88
Waukesha Waukesha-Cleveland Ave. 55 133 0027 Unhealthy for Sensitive Groups PM2.5 04 AM 120
Milwaukee Milwaukee-16th St. Health Center 55 079 0010 Unhealthy for Sensitive Groups PM2.5 12 AM 135
Rock Beloit-Converse 55 105 0030 Moderate OZONE 04 PM 52
Sheboygan Sheboygan-Kohler Andrae 55 117 0006 Moderate OZONE 08 PM 98
Milwaukee Milwaukee-College Ave NR 55 079 0056 Unhealthy for Sensitive Groups PM2.5 12 AM 121
Marathon Lake Dubay 55 073 0012 Unhealthy for Sensitive Groups PM2.5 02 PM 116
Dane Madison East 55 025 0041 Moderate PM2.5 09 AM 98
Manitowoc Manitowoc 55 071 0007 Moderate OZONE 07 PM 56
Dane Madison University Ave. Well #6 55 025 0047 Unhealthy for Sensitive Groups PM2.5 09 AM 109
La Crosse La Crosse DOT 55 063 0012 Good OZONE 02 PM 49
Milwaukee Milwaukee-UWM UPark 55 079 0068 Moderate OZONE 10 PM 92
Racine Racine-Payne & Dolan 55 101 0020 Unhealthy for Sensitive Groups OZONE 06 PM 106
Oneida Rhinelander Tower 55 085 0996 Good SO2 12 AM 0
Kenosha Kenosha-Water Tower 55 059 0025 Unhealthy for Sensitive Groups OZONE 07 PM 112
Outagamie Appleton 55 087 0009 Unhealthy for Sensitive Groups PM2.5 04 AM 127
Door Newport Park 55 029 0004 Good OZONE 05 PM 47
Ozaukee Harrington Beach Park 55 089 0009 Unhealthy for Sensitive Groups PM2.5 12 AM 123
Eau Claire Eau Claire DOT Sign Shop 55 035 0014 Moderate PM2.5 05 PM 79
Milwaukee Bayside 55 079 0085 Moderate OZONE 06 PM 96
Outagamie Kaukauna 55 087 0015 Good SO2 03 PM 6
Forest Potawatomi 55 041 0007 Unhealthy for Sensitive Groups PM2.5 12 AM 140
Ashland Bad River Tribal School 55 003 0010 Unhealthy for Sensitive Groups PM2.5 11 AM 126
Sauk Devils Lake 55 111 0007 Unhealthy for Sensitive Groups PM2.5 10 AM 101
Brown Green Bay East High 55 009 0005 Unhealthy for Sensitive Groups PM2.5 12 AM 131
Brown Green Bay UW 55 009 0026 Moderate OZONE 06 PM 73
Columbia Columbus 55 021 0015 Moderate OZONE 04 PM 61
Ozaukee Grafton 55 089 0008 Moderate OZONE 08 PM 88
Fond du Lac Fond Du Lac 55 039 0006 Moderate OZONE 06 PM 60
Jefferson Jefferson-Laatsch 55 055 0009 Good OZONE 04 PM 49
Jackson Ho-Chunk Nation-Black River Falls 55 053 2002 Moderate PM2.5 03 PM 85
Sheboygan Sheboygan-Haven 55 117 0009 Moderate OZONE 07 PM 90
Walworth Elkhorn 55 127 0006 Moderate OZONE 05 PM 68
Kewaunee Kewaunee 55 061 0002 Moderate OZONE 09 PM 62
Vilas Trout Lake 55 125 0001 Good OZONE 12 AM 48