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  3. Colorado

Colorado

United States

2026-05-29 23:00
AQI (US)
Moderate
Pollutants|Pollens
O3
μg/m³
124.4
PM10
μg/m³
18.3
PM2.5
μg/m³
3
NO2
μg/m³
6.6
CO
μg/m³
187.5
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
12℃
43%
18 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 63
Alamosa County
AQI 19
Arapahoe County
AQI 69
Archuleta County
AQI 76
Baca County
AQI 29
Bent County
AQI 31
Boulder County
AQI 57
Broomfield County
AQI 20
Chaffee County
AQI 13
Cheyenne County
AQI 28
Clear Creek County
AQI 55
Conejos County
AQI 19
Costilla County
AQI 14
Crowley County
AQI 19
Custer County
AQI 14
Delta County
AQI 17
Denver County
AQI 55
Dolores County
AQI 16
Douglas County
AQI 60
Eagle County
AQI 13
El Paso County
AQI 57
Elbert County
AQI 35
Fremont County
AQI 18
Garfield County
AQI 66
Gilpin County
AQI 63
Grand County
AQI 13
Gunnison County
AQI 63
Hinsdale County
AQI 15
Huerfano County
AQI 12
Jackson County
AQI 13
Jefferson County
AQI 70
La Plata County
AQI 69
Lake County
AQI 13
Larimer County
AQI 58
Las Animas County
AQI 12
Lincoln County
AQI 32
Logan County
AQI 19
Mesa County
AQI 85
Mineral County
AQI 12
Moffat County
AQI 17
Montezuma County
AQI 58
Montrose County
AQI 17
Morgan County
AQI 20
Otero County
AQI 18
Ouray County
AQI 22
Park County
AQI 12
Phillips County
AQI 19
Pitkin County
AQI 50
Prowers County
AQI 18
Pueblo County
AQI 60
Rio Blanco County
AQI 17
Rio Grande County
AQI 19
Routt County
AQI 15
Saguache County
AQI 14
San Juan County
AQI 22
San Miguel County
AQI 22
Sedgwick County
AQI 19
Summit County
AQI 12
Teller County
AQI 20
Washington County
AQI 19
Weld County
AQI 61
Yuma County
AQI 19
Data Sources
http://www.airnow.gov/

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Cities Nearby

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AQI 33
Georgetown
AQI 61
Breckenridge
AQI 13
Silverthorne
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Frisco
AQI 12
Wildernest
AQI 12
Bailey
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Idaho Springs
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Copper Mountain
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Black Hawk
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Winter Park
AQI 32