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
1 Westminster

108

2 Thornton

101

3 Louisville

100

4 Roxborough Park

98

5 Broomfield

94

6 Denver

94

7 Superior

93

8 Fort Lupton

91

9 Lakewood

90

10 Highlands Ranch

87

(local time)

SEE WORLD AQI RANKING

Air Quality contributors Sources

Data provided by

Contributors

8

Data sources

5

The profile logo of Environmental Protection AgencyThe profile logo of Air Pollution Control DistrictThe profile logo of Colorado Department of Public Health & Environment (CDPHE)The profile logo of AirVisualThe profile logo of Coalition for Clean Air (CCA)The profile logo of California Air Resources Board (CARB)

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LIVE AQI CITY RANKING

Real-time Colorado
Cleanest city ranking

#cityUS AQI
1 Dove Creek

0

2 Gothic

1

3 Silverton

1

4 Battlement Mesa

2

5 Parachute

2

6 Commerce City

3

7 Fruita

3

8 Estes Park

4

9 Ignacio

4

10 Rifle

4

(local time)

SEE WORLD AQI RANKING
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
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