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  3. Colorado

Colorado

United States

2026-10-03 06:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
55.8
NO2
μg/m³
19.6
CO
μg/m³
395.8
PM10
μg/m³
14.4
PM2.5
μg/m³
4.2
SO2
μg/m³
1.6
Weather
  • ℃
  • ℉
5℃
62%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • CO
  • PM10
  • PM2.5
  • SO2
Places included
Adams County
AQI 45
Alamosa County
AQI 15
Arapahoe County
AQI 71
Archuleta County
AQI 28
Baca County
AQI 7
Bent County
AQI 16
Boulder County
AQI 60
Broomfield County
AQI 17
Chaffee County
AQI 5
Cheyenne County
AQI 5
Clear Creek County
AQI 64
Conejos County
AQI 15
Costilla County
AQI 4
Crowley County
AQI 16
Custer County
AQI 5
Delta County
AQI 21
Denver County
AQI 49
Dolores County
AQI 7
Douglas County
AQI 65
Eagle County
AQI 6
El Paso County
AQI 37
Elbert County
AQI 42
Fremont County
AQI 9
Garfield County
AQI 35
Gilpin County
AQI 95
Grand County
AQI 4
Gunnison County
AQI 56
Hinsdale County
AQI 9
Huerfano County
AQI 3
Jackson County
AQI 4
Jefferson County
AQI 85
La Plata County
AQI 39
Lake County
AQI 5
Larimer County
AQI 71
Las Animas County
AQI 3
Lincoln County
AQI 6
Logan County
AQI 4
Mesa County
AQI 67
Mineral County
AQI 6
Moffat County
AQI 6
Montezuma County
AQI 90
Montrose County
AQI 21
Morgan County
AQI 5
Otero County
AQI 19
Ouray County
AQI 16
Park County
AQI 6
Phillips County
AQI 5
Pitkin County
AQI 65
Prowers County
AQI 9
Pueblo County
AQI 28
Rio Blanco County
AQI 17
Rio Grande County
AQI 15
Routt County
AQI 10
Saguache County
AQI 6
San Juan County
AQI 16
San Miguel County
AQI 16
Sedgwick County
AQI 4
Summit County
AQI 5
Teller County
AQI 9
Washington County
AQI 4
Weld County
AQI 45
Yuma County
AQI 5
Data Sources
http://www.airnow.gov/

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