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  3. Colorado

Colorado

United States

2026-06-22 05:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
8.9
O3
μg/m³
104.4
PM10
μg/m³
39.1
NO2
μg/m³
9.4
CO
μg/m³
250
SO2
μg/m³
1.7
Weather
  • ℃
  • ℉
3℃
97%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 50
Alamosa County
AQI 49
Arapahoe County
AQI 46
Archuleta County
AQI 36
Baca County
AQI 37
Bent County
AQI 43
Boulder County
AQI 50
Broomfield County
AQI 43
Chaffee County
AQI 21
Cheyenne County
AQI 38
Clear Creek County
AQI 44
Conejos County
AQI 49
Costilla County
AQI 38
Crowley County
AQI 46
Custer County
AQI 47
Delta County
AQI 62
Denver County
AQI 47
Dolores County
AQI 31
Douglas County
AQI 51
Eagle County
AQI 18
El Paso County
AQI 50
Elbert County
AQI 35
Fremont County
AQI 51
Garfield County
AQI 45
Gilpin County
AQI 52
Grand County
AQI 15
Gunnison County
AQI 43
Hinsdale County
AQI 54
Huerfano County
AQI 53
Jackson County
AQI 13
Jefferson County
AQI 52
La Plata County
AQI 56
Lake County
AQI 19
Larimer County
AQI 45
Las Animas County
AQI 53
Lincoln County
AQI 42
Logan County
AQI 11
Mesa County
AQI 46
Mineral County
AQI 28
Moffat County
AQI 16
Montezuma County
AQI 48
Montrose County
AQI 62
Morgan County
AQI 38
Otero County
AQI 52
Ouray County
AQI 63
Park County
AQI 21
Phillips County
AQI 5
Pitkin County
AQI 50
Prowers County
AQI 63
Pueblo County
AQI 45
Rio Blanco County
AQI 19
Rio Grande County
AQI 49
Routt County
AQI 17
Saguache County
AQI 38
San Juan County
AQI 63
San Miguel County
AQI 63
Sedgwick County
AQI 5
Summit County
AQI 21
Teller County
AQI 38
Washington County
AQI 25
Weld County
AQI 46
Yuma County
AQI 8
Data Sources
http://www.airnow.gov/

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