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  3. Colorado

Colorado

United States

2026-06-05 00:00
AQI (US)
Moderate
Pollutants|Pollens
O3
μg/m³
124.2
PM2.5
μg/m³
3.5
PM10
μg/m³
18.8
NO2
μg/m³
7.5
CO
μg/m³
229.2
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
16℃
23%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 69
Alamosa County
AQI 22
Arapahoe County
AQI 58
Archuleta County
AQI 63
Baca County
AQI 19
Bent County
AQI 24
Boulder County
AQI 63
Broomfield County
AQI 30
Chaffee County
AQI 16
Cheyenne County
AQI 29
Clear Creek County
AQI 59
Conejos County
AQI 22
Costilla County
AQI 13
Crowley County
AQI 23
Custer County
AQI 16
Delta County
AQI 23
Denver County
AQI 66
Dolores County
AQI 14
Douglas County
AQI 60
Eagle County
AQI 20
El Paso County
AQI 60
Elbert County
AQI 38
Fremont County
AQI 18
Garfield County
AQI 54
Gilpin County
AQI 60
Grand County
AQI 19
Gunnison County
AQI 63
Hinsdale County
AQI 15
Huerfano County
AQI 13
Jackson County
AQI 21
Jefferson County
AQI 68
La Plata County
AQI 65
Lake County
AQI 17
Larimer County
AQI 63
Las Animas County
AQI 13
Lincoln County
AQI 25
Logan County
AQI 22
Mesa County
AQI 76
Mineral County
AQI 12
Moffat County
AQI 27
Montezuma County
AQI 63
Montrose County
AQI 23
Morgan County
AQI 24
Otero County
AQI 24
Ouray County
AQI 19
Park County
AQI 20
Phillips County
AQI 18
Pitkin County
AQI 49
Prowers County
AQI 17
Pueblo County
AQI 57
Rio Blanco County
AQI 24
Rio Grande County
AQI 22
Routt County
AQI 25
Saguache County
AQI 15
San Juan County
AQI 19
San Miguel County
AQI 19
Sedgwick County
AQI 20
Summit County
AQI 18
Teller County
AQI 20
Washington County
AQI 22
Weld County
AQI 80
Yuma County
AQI 18
Data Sources
http://www.airnow.gov/

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Cities Nearby

Keystone
AQI 34
Georgetown
AQI 65
Breckenridge
AQI 18
Silverthorne
AQI 18
Frisco
AQI 18
Wildernest
AQI 18
Bailey
AQI 50
Idaho Springs
AQI 56
Copper Mountain
AQI 18
Black Hawk
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Winter Park
AQI 33