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 Towaoc

46

2 Ignacio

42

3 Mancos

42

4 Florence

41

5 Lakewood

41

6 Alamosa

39

7 Dove Creek

39

8 Gothic

38

9 Golden

31

10 San Luis

29

(local time)

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AIR QUALITY DATA CONTRIBUTORS

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418 Contributors

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LIVE AQI CITY RANKING

Real-time Colorado
Cleanest city ranking

#cityUS AQI
1 Monument

0

2 Superior

1

3 Castle Pines

3

4 Castle Rock

3

5 Burlington

4

6 Manitou Springs

4

7 Central City

5

8 Parker

5

9 Aurora

7

10 Colorado Springs

7

(local time)

SEE WORLD AQI RANKING

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Moderate
Unhealthy for sensitive groups
Unhealthy
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Hazardous
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Colorado air quality data attribution

418Contributors

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