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Colorado

United States

2026-10-02 01:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
71.9
PM10
μg/m³
19
NO2
μg/m³
10.9
CO
μg/m³
208.3
PM2.5
μg/m³
4.1
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
3℃
89%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • NO2
  • CO
  • PM2.5
  • SO2
Places included
Adams County
AQI 65
Alamosa County
AQI 9
Arapahoe County
AQI 69
Archuleta County
AQI 41
Baca County
AQI 7
Bent County
AQI 5
Boulder County
AQI 82
Broomfield County
AQI 22
Chaffee County
AQI 2
Cheyenne County
AQI 4
Clear Creek County
AQI 85
Conejos County
AQI 9
Costilla County
AQI 2
Crowley County
AQI 4
Custer County
AQI 5
Delta County
AQI 23
Denver County
AQI 64
Dolores County
AQI 4
Douglas County
AQI 67
Eagle County
AQI 3
El Paso County
AQI 58
Elbert County
AQI 49
Fremont County
AQI 25
Garfield County
AQI 69
Gilpin County
AQI 97
Grand County
AQI 3
Gunnison County
AQI 82
Hinsdale County
AQI 11
Huerfano County
AQI 4
Jackson County
AQI 3
Jefferson County
AQI 84
La Plata County
AQI 79
Lake County
AQI 2
Larimer County
AQI 81
Las Animas County
AQI 7
Lincoln County
AQI 4
Logan County
AQI 5
Mesa County
AQI 78
Mineral County
AQI 3
Moffat County
AQI 3
Montezuma County
AQI 86
Montrose County
AQI 23
Morgan County
AQI 4
Otero County
AQI 5
Ouray County
AQI 24
Park County
AQI 4
Phillips County
AQI 6
Pitkin County
AQI 71
Prowers County
AQI 16
Pueblo County
AQI 58
Rio Blanco County
AQI 3
Rio Grande County
AQI 9
Routt County
AQI 11
Saguache County
AQI 2
San Juan County
AQI 24
San Miguel County
AQI 24
Sedgwick County
AQI 6
Summit County
AQI 3
Teller County
AQI 7
Washington County
AQI 5
Weld County
AQI 71
Yuma County
AQI 5
Data Sources
http://www.airnow.gov/

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