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  3. Colorado

Colorado

United States

2026-10-07 04:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
70.3
NO2
μg/m³
29.1
PM10
μg/m³
27.3
CO
μg/m³
541.7
PM2.5
μg/m³
4.6
SO2
μg/m³
2.5
Weather
  • ℃
  • ℉
6℃
52%
1 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • PM10
  • CO
  • PM2.5
  • SO2
Places included
Adams County
AQI 88
Alamosa County
AQI 14
Arapahoe County
AQI 88
Archuleta County
AQI 67
Baca County
AQI 4
Bent County
AQI 7
Boulder County
AQI 99
Broomfield County
AQI 62
Chaffee County
AQI 2
Cheyenne County
AQI 3
Clear Creek County
AQI 80
Conejos County
AQI 14
Costilla County
AQI 4
Crowley County
AQI 3
Custer County
AQI 6
Delta County
AQI 12
Denver County
AQI 88
Dolores County
AQI 3
Douglas County
AQI 78
Eagle County
AQI 3
El Paso County
AQI 56
Elbert County
AQI 53
Fremont County
AQI 16
Garfield County
AQI 50
Gilpin County
AQI 93
Grand County
AQI 4
Gunnison County
AQI 63
Hinsdale County
AQI 5
Huerfano County
AQI 3
Jackson County
AQI 4
Jefferson County
AQI 90
La Plata County
AQI 78
Lake County
AQI 2
Larimer County
AQI 71
Las Animas County
AQI 3
Lincoln County
AQI 4
Logan County
AQI 4
Mesa County
AQI 95
Mineral County
AQI 3
Moffat County
AQI 4
Montezuma County
AQI 77
Montrose County
AQI 12
Morgan County
AQI 5
Otero County
AQI 4
Ouray County
AQI 10
Park County
AQI 3
Phillips County
AQI 5
Pitkin County
AQI 71
Prowers County
AQI 16
Pueblo County
AQI 67
Rio Blanco County
AQI 4
Rio Grande County
AQI 14
Routt County
AQI 14
Saguache County
AQI 4
San Juan County
AQI 10
San Miguel County
AQI 10
Sedgwick County
AQI 4
Summit County
AQI 5
Teller County
AQI 5
Washington County
AQI 4
Weld County
AQI 56
Yuma County
AQI 5
Data Sources
http://www.airnow.gov/

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