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Colorado

United States

2026-10-03 13:00
AQI (India)
Satisfactory
Pollutants|Pollens
O3
μg/m³
50.4
NO2
μg/m³
20.1
CO
μg/m³
250
PM10
μg/m³
12.4
PM2.5
μg/m³
4.3
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
5℃
58%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • NO2
  • CO
  • PM10
  • PM2.5
  • SO2
Places included
Adams County
AQI 55
Alamosa County
AQI 11
Arapahoe County
AQI 73
Archuleta County
AQI 11
Baca County
AQI 7
Bent County
AQI 8
Boulder County
AQI 56
Broomfield County
AQI 14
Chaffee County
AQI 5
Cheyenne County
AQI 7
Clear Creek County
AQI 63
Conejos County
AQI 11
Costilla County
AQI 3
Crowley County
AQI 13
Custer County
AQI 7
Delta County
AQI 16
Denver County
AQI 47
Dolores County
AQI 6
Douglas County
AQI 56
Eagle County
AQI 7
El Paso County
AQI 60
Elbert County
AQI 45
Fremont County
AQI 17
Garfield County
AQI 20
Gilpin County
AQI 105
Grand County
AQI 6
Gunnison County
AQI 54
Hinsdale County
AQI 6
Huerfano County
AQI 4
Jackson County
AQI 5
Jefferson County
AQI 105
La Plata County
AQI 23
Lake County
AQI 5
Larimer County
AQI 61
Las Animas County
AQI 4
Lincoln County
AQI 8
Logan County
AQI 4
Mesa County
AQI 48
Mineral County
AQI 5
Moffat County
AQI 9
Montezuma County
AQI 90
Montrose County
AQI 16
Morgan County
AQI 7
Otero County
AQI 9
Ouray County
AQI 9
Park County
AQI 5
Phillips County
AQI 4
Pitkin County
AQI 60
Prowers County
AQI 9
Pueblo County
AQI 24
Rio Blanco County
AQI 18
Rio Grande County
AQI 11
Routt County
AQI 8
Saguache County
AQI 6
San Juan County
AQI 9
San Miguel County
AQI 9
Sedgwick County
AQI 4
Summit County
AQI 6
Teller County
AQI 7
Washington County
AQI 4
Weld County
AQI 26
Yuma County
AQI 4
Data Sources
http://www.airnow.gov/

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