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  3. Colorado

Colorado

United States

2026-06-20 20:00
AQI (US)
Moderate
Pollutants|Pollens
O3
μg/m³
131.6
PM10
μg/m³
44.5
PM2.5
μg/m³
7.3
NO2
μg/m³
8.3
CO
μg/m³
250
SO2
μg/m³
2.9
Weather
  • ℃
  • ℉
22℃
14%
31 kph
10 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 94
Alamosa County
AQI 55
Arapahoe County
AQI 102
Archuleta County
AQI 100
Baca County
AQI 21
Bent County
AQI 27
Boulder County
AQI 63
Broomfield County
AQI 55
Chaffee County
AQI 13
Cheyenne County
AQI 28
Clear Creek County
AQI 66
Conejos County
AQI 55
Costilla County
AQI 22
Crowley County
AQI 31
Custer County
AQI 20
Delta County
AQI 31
Denver County
AQI 97
Dolores County
AQI 13
Douglas County
AQI 109
Eagle County
AQI 13
El Paso County
AQI 48
Elbert County
AQI 41
Fremont County
AQI 23
Garfield County
AQI 69
Gilpin County
AQI 51
Grand County
AQI 12
Gunnison County
AQI 49
Hinsdale County
AQI 15
Huerfano County
AQI 18
Jackson County
AQI 12
Jefferson County
AQI 97
La Plata County
AQI 44
Lake County
AQI 11
Larimer County
AQI 67
Las Animas County
AQI 17
Lincoln County
AQI 27
Logan County
AQI 29
Mesa County
AQI 72
Mineral County
AQI 12
Moffat County
AQI 22
Montezuma County
AQI 58
Montrose County
AQI 31
Morgan County
AQI 24
Otero County
AQI 28
Ouray County
AQI 25
Park County
AQI 15
Phillips County
AQI 29
Pitkin County
AQI 50
Prowers County
AQI 38
Pueblo County
AQI 57
Rio Blanco County
AQI 21
Rio Grande County
AQI 55
Routt County
AQI 33
Saguache County
AQI 18
San Juan County
AQI 25
San Miguel County
AQI 25
Sedgwick County
AQI 29
Summit County
AQI 14
Teller County
AQI 30
Washington County
AQI 29
Weld County
AQI 79
Yuma County
AQI 31
Data Sources
http://www.airnow.gov/

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Cities Nearby

Keystone
AQI 35
Georgetown
AQI 72
Breckenridge
AQI 15
Silverthorne
AQI 13
Frisco
AQI 12
Wildernest
AQI 12
Bailey
AQI 73
Idaho Springs
AQI 66
Copper Mountain
AQI 12
Black Hawk
AQI 50
Winter Park
AQI 34