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Colorado

United States

2025-12-14 06:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.7
PM10
μg/m³
19.5
O3
μg/m³
37
NO2
μg/m³
23.7
CO
μg/m³
395.8
SO2
μg/m³
0.2
Weather
  • ℃
  • ℉
-5℃
70%
11 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • PM10
  • O3
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 33
Alamosa County
AQI 57
Arapahoe County
AQI 40
Archuleta County
AQI 23
Baca County
AQI 25
Bent County
AQI 23
Boulder County
AQI 34
Broomfield County
AQI 30
Chaffee County
AQI 24
Cheyenne County
AQI 22
Clear Creek County
AQI 19
Conejos County
AQI 57
Costilla County
AQI 28
Crowley County
AQI 23
Custer County
AQI 24
Delta County
AQI 53
Denver County
AQI 38
Dolores County
AQI 33
Douglas County
AQI 35
Eagle County
AQI 36
El Paso County
AQI 32
Elbert County
AQI 27
Fremont County
AQI 44
Garfield County
AQI 12
Gilpin County
AQI 43
Grand County
AQI 30
Gunnison County
AQI 38
Hinsdale County
AQI 31
Huerfano County
AQI 20
Jackson County
AQI 30
Jefferson County
AQI 34
La Plata County
AQI 28
Lake County
AQI 36
Larimer County
AQI 51
Las Animas County
AQI 20
Lincoln County
AQI 22
Logan County
AQI 51
Mesa County
AQI 40
Mineral County
AQI 31
Moffat County
AQI 31
Montezuma County
AQI 17
Montrose County
AQI 53
Morgan County
AQI 40
Otero County
AQI 24
Ouray County
AQI 74
Park County
AQI 19
Phillips County
AQI 51
Pitkin County
AQI 35
Prowers County
AQI 22
Pueblo County
AQI 48
Rio Blanco County
AQI 41
Rio Grande County
AQI 57
Routt County
AQI 33
Saguache County
AQI 24
San Juan County
AQI 74
San Miguel County
AQI 74
Sedgwick County
AQI 51
Summit County
AQI 36
Teller County
AQI 32
Washington County
AQI 51
Weld County
AQI 44
Yuma County
AQI 51
Data Sources
http://www.airnow.gov/

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