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 Mancos

42

3 Fort Morgan

38

4 Delta

37

5 Dove Creek

34

6 Del Norte

29

7 Salida

29

8 Aguilar

26

9 Leadville

25

10 Telluride

25

(local time)

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LIVE AQI CITY RANKING

Real-time Colorado
Cleanest city ranking

#cityUS AQI
1 Fairplay

0

2 Gothic

0

3 Silverthorne

0

4 Routt

2

5 Steamboat Springs

2

6 Central City

3

7 Burlington

4

8 Conifer

4

9 Granby

4

10 Meeker

4

(local time)

SEE WORLD AQI RANKING

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Unhealthy for sensitive groups
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Hazardous
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Colorado air quality data attribution

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