Air quality in Colorado

Air quality index (AQI) and PM2.5 air pollution in Colorado

Last update at (local time)

LIVE AQI CITY RANKING

Real-time Colorado
Most polluted city ranking

#cityUS AQI
1 Milliken

74

2 Mesa

47

3 Dove Creek

40

4 Fort Morgan

38

5 Mancos

38

6 La Junta

31

7 Commerce City

25

8 Gunnison

24

9 Hot Sulphur Springs

24

10 Canon City

21

(local time)

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LIVE AQI CITY RANKING

Real-time Colorado
Cleanest city ranking

#cityUS AQI
1 Air Force Academy

0

2 Castle Pines

0

3 Centennial

0

4 Fort Carson

0

5 Gleneagle

0

6 Golden

0

7 Gunbarrel

0

8 Highlands Ranch

0

9 Julesburg

0

10 Ken Caryl

0

(local time)

SEE WORLD AQI RANKING

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Colorado air quality data attribution

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