Air quality in Colorado

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

LAST UPDATE (local time)

LIVE AQI CITY RANKING

Real-time Colorado
Most polluted city ranking

#cityUS AQI
1Leadville

159

2Gothic

153

3Snowmass Village

141

4Aspen

121

5Welby

105

6Avon

100

7Clifton

82

8Edwards

80

9Telluride

80

10Gypsum

79

(local time)

SEE WORLD AQI RANKING

Data provided by
85 sources

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LIVE AQI CITY RANKING

Real-time Colorado
Cleanest city ranking

#cityUS AQI
1Louisville

0

2Lochbuie

8

3Elizabeth

9

4Windsor

9

5Steamboat Springs

13

6Salida

15

7Loma

16

8Highlands Ranch

17

9Fort Carson

18

10Manitou Springs

18

(local time)

SEE WORLD AQI RANKING
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