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Colorado

United States

2026-09-25 13:00
AQI (India)
Good
Pollutants|Pollens
O3
μg/m³
34.9
NO2
μg/m³
22.1
CO
μg/m³
437.5
PM10
μg/m³
20.8
PM2.5
μg/m³
4.4
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
2℃
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 63
Alamosa County
AQI 6
Arapahoe County
AQI 56
Archuleta County
AQI 75
Baca County
AQI 4
Bent County
AQI 5
Boulder County
AQI 24
Broomfield County
AQI 56
Chaffee County
AQI 5
Cheyenne County
AQI 5
Clear Creek County
AQI 39
Conejos County
AQI 6
Costilla County
AQI 7
Crowley County
AQI 6
Custer County
AQI 8
Delta County
AQI 12
Denver County
AQI 74
Dolores County
AQI 2
Douglas County
AQI 56
Eagle County
AQI 8
El Paso County
AQI 27
Elbert County
AQI 22
Fremont County
AQI 12
Garfield County
AQI 11
Gilpin County
AQI 45
Grand County
AQI 13
Gunnison County
AQI 50
Hinsdale County
AQI 3
Huerfano County
AQI 14
Jackson County
AQI 13
Jefferson County
AQI 48
La Plata County
AQI 67
Lake County
AQI 7
Larimer County
AQI 38
Las Animas County
AQI 12
Lincoln County
AQI 8
Logan County
AQI 14
Mesa County
AQI 37
Mineral County
AQI 2
Moffat County
AQI 7
Montezuma County
AQI 57
Montrose County
AQI 11
Morgan County
AQI 16
Otero County
AQI 5
Ouray County
AQI 5
Park County
AQI 12
Phillips County
AQI 13
Pitkin County
AQI 44
Prowers County
AQI 9
Pueblo County
AQI 15
Rio Blanco County
AQI 8
Rio Grande County
AQI 6
Routt County
AQI 7
Saguache County
AQI 5
San Juan County
AQI 5
San Miguel County
AQI 5
Sedgwick County
AQI 13
Summit County
AQI 10
Teller County
AQI 10
Washington County
AQI 12
Weld County
AQI 34
Yuma County
AQI 13
Data Sources
http://www.airnow.gov/

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