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  3. Colorado

Colorado

United States

2026-09-30 00:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
82.7
PM10
μg/m³
21.5
CO
μg/m³
208.3
NO2
μg/m³
7.5
PM2.5
μg/m³
2.7
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
5℃
86%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • NO2
  • PM2.5
  • SO2
Places included
Adams County
AQI 95
Alamosa County
AQI 5
Arapahoe County
AQI 102
Archuleta County
AQI 67
Baca County
AQI 5
Bent County
AQI 5
Boulder County
AQI 99
Broomfield County
AQI 29
Chaffee County
AQI 1
Cheyenne County
AQI 5
Clear Creek County
AQI 87
Conejos County
AQI 5
Costilla County
AQI 2
Crowley County
AQI 9
Custer County
AQI 5
Delta County
AQI 11
Denver County
AQI 93
Dolores County
AQI 1
Douglas County
AQI 105
Eagle County
AQI 1
El Paso County
AQI 81
Elbert County
AQI 62
Fremont County
AQI 116
Garfield County
AQI 63
Gilpin County
AQI 86
Grand County
AQI 3
Gunnison County
AQI 67
Hinsdale County
AQI 7
Huerfano County
AQI 6
Jackson County
AQI 2
Jefferson County
AQI 110
La Plata County
AQI 71
Lake County
AQI 1
Larimer County
AQI 86
Las Animas County
AQI 7
Lincoln County
AQI 9
Logan County
AQI 7
Mesa County
AQI 71
Mineral County
AQI 2
Moffat County
AQI 3
Montezuma County
AQI 74
Montrose County
AQI 11
Morgan County
AQI 9
Otero County
AQI 7
Ouray County
AQI 9
Park County
AQI 5
Phillips County
AQI 7
Pitkin County
AQI 56
Prowers County
AQI 8
Pueblo County
AQI 84
Rio Blanco County
AQI 2
Rio Grande County
AQI 5
Routt County
AQI 5
Saguache County
AQI 2
San Juan County
AQI 9
San Miguel County
AQI 9
Sedgwick County
AQI 7
Summit County
AQI 3
Teller County
AQI 4
Washington County
AQI 7
Weld County
AQI 93
Yuma County
AQI 7
Data Sources
http://www.airnow.gov/

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