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  3. Colorado

Colorado

United States

2025-12-11 15:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
64.7
PM10
μg/m³
35.6
NO2
μg/m³
19.4
CO
μg/m³
416.7
PM2.5
μg/m³
5.2
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
-4℃
68%
24 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • NO2
  • CO
  • PM2.5
  • SO2
Places included
Adams County
AQI 117
Alamosa County
AQI 18
Arapahoe County
AQI 63
Archuleta County
AQI 42
Baca County
AQI 8
Bent County
AQI 12
Boulder County
AQI 102
Broomfield County
AQI 159
Chaffee County
AQI 10
Cheyenne County
AQI 18
Clear Creek County
AQI 7
Conejos County
AQI 18
Costilla County
AQI 14
Crowley County
AQI 12
Custer County
AQI 10
Delta County
AQI 31
Denver County
AQI 96
Dolores County
AQI 16
Douglas County
AQI 71
Eagle County
AQI 69
El Paso County
AQI 87
Elbert County
AQI 83
Fremont County
AQI 8
Garfield County
AQI 17
Gilpin County
AQI 105
Grand County
AQI 15
Gunnison County
AQI 82
Hinsdale County
AQI 35
Huerfano County
AQI 6
Jackson County
AQI 15
Jefferson County
AQI 92
La Plata County
AQI 30
Lake County
AQI 69
Larimer County
AQI 97
Las Animas County
AQI 6
Lincoln County
AQI 7
Logan County
AQI 16
Mesa County
AQI 32
Mineral County
AQI 35
Moffat County
AQI 27
Montezuma County
AQI 49
Montrose County
AQI 31
Morgan County
AQI 32
Otero County
AQI 8
Ouray County
AQI 4
Park County
AQI 7
Phillips County
AQI 16
Pitkin County
AQI 52
Prowers County
AQI 13
Pueblo County
AQI 84
Rio Blanco County
AQI 20
Rio Grande County
AQI 18
Routt County
AQI 40
Saguache County
AQI 10
San Juan County
AQI 4
San Miguel County
AQI 4
Sedgwick County
AQI 16
Summit County
AQI 69
Teller County
AQI 6
Washington County
AQI 16
Weld County
AQI 85
Yuma County
AQI 16
Data Sources
http://www.airnow.gov/

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