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Colorado

United States

2026-09-24 10:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
38.4
NO2
μg/m³
14.2
CO
μg/m³
229.2
PM10
μg/m³
10.1
PM2.5
μg/m³
2.6
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
3℃
96%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • CO
  • PM10
  • PM2.5
  • SO2
Places included
Adams County
AQI 36
Alamosa County
AQI 5
Arapahoe County
AQI 60
Archuleta County
AQI 15
Baca County
AQI 5
Bent County
AQI 2
Boulder County
AQI 37
Broomfield County
AQI 20
Chaffee County
AQI 4
Cheyenne County
AQI 4
Clear Creek County
AQI 40
Conejos County
AQI 5
Costilla County
AQI 2
Crowley County
AQI 2
Custer County
AQI 4
Delta County
AQI 9
Denver County
AQI 38
Dolores County
AQI 6
Douglas County
AQI 48
Eagle County
AQI 10
El Paso County
AQI 54
Elbert County
AQI 38
Fremont County
AQI 6
Garfield County
AQI 22
Gilpin County
AQI 52
Grand County
AQI 5
Gunnison County
AQI 41
Hinsdale County
AQI 5
Huerfano County
AQI 2
Jackson County
AQI 6
Jefferson County
AQI 35
La Plata County
AQI 17
Lake County
AQI 6
Larimer County
AQI 43
Las Animas County
AQI 1
Lincoln County
AQI 2
Logan County
AQI 12
Mesa County
AQI 43
Mineral County
AQI 2
Moffat County
AQI 8
Montezuma County
AQI 41
Montrose County
AQI 9
Morgan County
AQI 13
Otero County
AQI 1
Ouray County
AQI 7
Park County
AQI 5
Phillips County
AQI 6
Pitkin County
AQI 52
Prowers County
AQI 5
Pueblo County
AQI 54
Rio Blanco County
AQI 9
Rio Grande County
AQI 5
Routt County
AQI 8
Saguache County
AQI 4
San Juan County
AQI 7
San Miguel County
AQI 7
Sedgwick County
AQI 7
Summit County
AQI 6
Teller County
AQI 4
Washington County
AQI 5
Weld County
AQI 29
Yuma County
AQI 4
Data Sources
http://www.airnow.gov/

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