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Colorado

United States

2026-06-21 14:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
7.5
O3
μg/m³
82.7
PM10
μg/m³
27.5
NO2
μg/m³
7.6
CO
μg/m³
229.2
SO2
μg/m³
2.4
Weather
  • ℃
  • ℉
14℃
34%
20 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 55
Alamosa County
AQI 26
Arapahoe County
AQI 52
Archuleta County
AQI 43
Baca County
AQI 38
Bent County
AQI 49
Boulder County
AQI 53
Broomfield County
AQI 56
Chaffee County
AQI 21
Cheyenne County
AQI 49
Clear Creek County
AQI 36
Conejos County
AQI 26
Costilla County
AQI 13
Crowley County
AQI 32
Custer County
AQI 18
Delta County
AQI 24
Denver County
AQI 52
Dolores County
AQI 14
Douglas County
AQI 47
Eagle County
AQI 33
El Paso County
AQI 44
Elbert County
AQI 36
Fremont County
AQI 54
Garfield County
AQI 45
Gilpin County
AQI 48
Grand County
AQI 29
Gunnison County
AQI 35
Hinsdale County
AQI 19
Huerfano County
AQI 11
Jackson County
AQI 25
Jefferson County
AQI 51
La Plata County
AQI 37
Lake County
AQI 28
Larimer County
AQI 56
Las Animas County
AQI 13
Lincoln County
AQI 34
Logan County
AQI 26
Mesa County
AQI 58
Mineral County
AQI 14
Moffat County
AQI 36
Montezuma County
AQI 45
Montrose County
AQI 24
Morgan County
AQI 27
Otero County
AQI 40
Ouray County
AQI 19
Park County
AQI 28
Phillips County
AQI 31
Pitkin County
AQI 36
Prowers County
AQI 19
Pueblo County
AQI 42
Rio Blanco County
AQI 37
Rio Grande County
AQI 26
Routt County
AQI 65
Saguache County
AQI 16
San Juan County
AQI 19
San Miguel County
AQI 19
Sedgwick County
AQI 27
Summit County
AQI 30
Teller County
AQI 44
Washington County
AQI 27
Weld County
AQI 54
Yuma County
AQI 37
Data Sources
http://www.airnow.gov/

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Cities Nearby

Keystone
AQI 32
Georgetown
AQI 32
Breckenridge
AQI 31
Silverthorne
AQI 30
Frisco
AQI 30
Wildernest
AQI 29
Bailey
AQI 41
Idaho Springs
AQI 46
Copper Mountain
AQI 30
Black Hawk
AQI 48
Winter Park
AQI 30