United States Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in United States
Check the air quality level of thecities in United States
United States
United States's Metro Cities
Air Quality Index
Most Polluted Cities 2026
United States
Analyze the real-time most air polluted cities in the country.
Standard Value
1.
Green Bay, Wisconsin
Severe
12xabove Standard
2.
Appleton, Wisconsin
Severe
12xabove Standard
3.
Shorewood, Wisconsin
Severe
10xabove Standard
4.
Waukesha, Wisconsin
Unhealthy
10xabove Standard
5.
Milwaukee, Wisconsin
Unhealthy
9xabove Standard
6.
Greendale, Wisconsin
Unhealthy
9xabove Standard
7.
Rhinelander, Wisconsin
Unhealthy
7xabove Standard
8.
Cicero, Illinois
Unhealthy
7xabove Standard
9.
Lansing, Illinois
Unhealthy
7xabove Standard
10.
East Chicago, Indiana
Unhealthy
7xabove Standard
Last Updated: 19 Jul 2026, 06:29 AM
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