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Noise monitoring program
Active Air Quality Notification
  • An air quality ADVISORY for Unhealthy OZONE levels is in effect from 7/14/2025 15:00 to 7/14/2025 23:00 for these counties: Kenosha,Racine,Milwaukee,Ozaukee,Sheboygan .
  • An air quality ADVISORY for Unhealthy PM2.5 levels is in effect from 7/14/2025 10:00 to 7/14/2025 18:00 for these counties: Ashland,Bayfield,Burnett,Douglas,Iron,Sawyer,Vilas,Washburn .

Current AQI Summary

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Monday, 7/14/2025
County Category Site AQS ID Pollutant Occured AQI
Outagamie Moderate Appleton 55 087 0009 PM2.5 03 PM 90
Ashland Moderate Bad River Tribal School 55 003 0010 PM2.5 03 PM 89
Milwaukee Moderate Bayside 55 079 0085 OZONE 03 PM 65
Rock Good Beloit-Converse 55 105 0030 OZONE 03 PM 44
Kenosha Unhealthy for sensitive groups Chiwaukee Prairie 55 059 0019 PM2.5 03 PM 111
Columbia Good Columbus 55 021 0015 OZONE 03 PM 48
Sauk Moderate Devils Lake 55 111 0007 PM2.5 03 PM 91
Eau Claire Moderate Eau Claire DOT Sign Shop 55 035 0014 PM2.5 03 PM 78
Walworth Moderate Elkhorn 55 127 0006 OZONE 03 PM 57
Fond du Lac Good Fond Du Lac 55 039 0006 OZONE 03 PM 49
Ozaukee Moderate Grafton 55 089 0008 OZONE 03 PM 54
Brown Moderate Green Bay East High 55 009 0005 PM2.5 03 PM 96
Brown Moderate Green Bay UW 55 009 0026 OZONE 03 PM 58
Ozaukee Moderate Harrington Beach Park 55 089 0009 PM2.5 03 PM 67
Jackson Moderate Ho-Chunk Nation-Black River Falls 55 053 2002 PM2.5 03 PM 79
Monroe Moderate Ho-Chunk Nation-Tomah 55 081 2001 PM2.5 03 PM 75
Dodge Moderate Horicon Wildlife Area 55 027 0001 PM2.5 03 PM 68
Jefferson Good Jefferson-Laatsch 55 055 0009 OZONE 03 PM 44
Outagamie Good Kaukauna 55 087 0015 SO2 03 PM 2
Kenosha Moderate Kenosha-Water Tower 55 059 0025 OZONE 03 PM 72
Kewaunee Good Kewaunee 55 061 0002 OZONE 03 PM 50
La Crosse Good La Crosse DOT 55 063 0012 OZONE 03 PM 45
Marathon Moderate Lake Dubay 55 073 0012 PM2.5 03 PM 83
Dane Moderate Madison East 55 025 0041 PM2.5 03 PM 65
Dane Moderate Madison University Ave. Well #6 55 025 0047 PM2.5 03 PM 63
Manitowoc Moderate Manitowoc 55 071 0007 OZONE 03 PM 61
Milwaukee Moderate Milwaukee-16th St. Health Center 55 079 0010 PM2.5 03 PM 68
Milwaukee Moderate Milwaukee-College Ave NR 55 079 0056 PM2.5 03 PM 66
Milwaukee Good Milwaukee-UWM UPark 55 079 0068 OZONE 03 PM 49
Door Good Newport Park 55 029 0004 OZONE 03 PM 44
Forest Moderate Potawatomi 55 041 0007 PM2.5 03 PM 85
Grant Moderate Potosi 55 043 0009 PM2.5 03 PM 85
Racine Moderate Racine-Payne & Dolan 55 101 0020 OZONE 03 PM 75
Oneida Good Rhinelander Tower 55 085 0996 SO2 03 PM 0
Sheboygan Good Sheboygan-Haven 55 117 0009 OZONE 03 PM 50
Sheboygan Moderate Sheboygan-Kohler Andrae 55 117 0006 OZONE 02 PM 77
Vilas Good Trout Lake 55 125 0001 OZONE 03 PM 35
Waukesha Moderate Waukesha-Cleveland Ave. 55 133 0027 PM2.5 03 PM 65