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  3. Colorado

Colorado

United States

2026-10-02 04:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
57.7
PM10
μg/m³
18.9
NO2
μg/m³
8.8
CO
μg/m³
208.3
PM2.5
μg/m³
4.9
SO2
μg/m³
1.3
Weather
  • ℃
  • ℉
2℃
84%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • NO2
  • CO
  • PM2.5
  • SO2
Places included
Adams County
AQI 67
Alamosa County
AQI 11
Arapahoe County
AQI 67
Archuleta County
AQI 24
Baca County
AQI 5
Bent County
AQI 4
Boulder County
AQI 60
Broomfield County
AQI 21
Chaffee County
AQI 5
Cheyenne County
AQI 3
Clear Creek County
AQI 60
Conejos County
AQI 11
Costilla County
AQI 5
Crowley County
AQI 3
Custer County
AQI 5
Delta County
AQI 38
Denver County
AQI 57
Dolores County
AQI 5
Douglas County
AQI 63
Eagle County
AQI 5
El Paso County
AQI 42
Elbert County
AQI 40
Fremont County
AQI 16
Garfield County
AQI 41
Gilpin County
AQI 80
Grand County
AQI 7
Gunnison County
AQI 48
Hinsdale County
AQI 11
Huerfano County
AQI 5
Jackson County
AQI 5
Jefferson County
AQI 68
La Plata County
AQI 59
Lake County
AQI 5
Larimer County
AQI 65
Las Animas County
AQI 8
Lincoln County
AQI 4
Logan County
AQI 3
Mesa County
AQI 69
Mineral County
AQI 3
Moffat County
AQI 3
Montezuma County
AQI 84
Montrose County
AQI 38
Morgan County
AQI 3
Otero County
AQI 3
Ouray County
AQI 20
Park County
AQI 6
Phillips County
AQI 3
Pitkin County
AQI 63
Prowers County
AQI 13
Pueblo County
AQI 30
Rio Blanco County
AQI 4
Rio Grande County
AQI 11
Routt County
AQI 11
Saguache County
AQI 4
San Juan County
AQI 20
San Miguel County
AQI 20
Sedgwick County
AQI 3
Summit County
AQI 6
Teller County
AQI 8
Washington County
AQI 3
Weld County
AQI 59
Yuma County
AQI 3
Data Sources
http://www.airnow.gov/

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