Colorado Air Quality Index (AQI) | Air Pollution
Real-time PM2.5, PM10 air pollution level in Colorado
Check the air quality level of thecities in Colorado
Colorado
Colorado's Cities
Real-time Air Pollution Level
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.
Nampa, Idaho
Poor
4xabove Standard
2.
Meridian, Idaho
Poor
3xabove Standard
3.
Walla Walla, Washington
Poor
3xabove Standard
4.
Omak, Washington
Poor
3xabove Standard
5.
Hermiston, Oregon
Poor
3xabove Standard
6.
Boise, Idaho
Poor
3xabove Standard
7.
Warner Robins, Georgia
Moderate
2xabove Standard
8.
Garden City, Idaho
Moderate
2xabove Standard
9.
Macon, Georgia
Moderate
2xabove Standard
10.
Sandpoint, Idaho
Moderate
2xabove Standard
Last Updated: 31 Jul 2026, 07:02 AM
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