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  3. Colorado

Colorado

United States

2026-09-14 18:00
AQI (US)
Good
Pollutants|Pollens
PM10
μg/m³
38.9
O3
μg/m³
83.4
PM2.5
μg/m³
3.2
NO2
μg/m³
9.5
CO
μg/m³
250
SO2
μg/m³
1.8
Weather
  • ℃
  • ℉
15℃
48%
21 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 79
Alamosa County
AQI 19
Arapahoe County
AQI 76
Archuleta County
AQI 36
Baca County
AQI 11
Bent County
AQI 17
Boulder County
AQI 37
Broomfield County
AQI 76
Chaffee County
AQI 6
Cheyenne County
AQI 14
Clear Creek County
AQI 34
Conejos County
AQI 19
Costilla County
AQI 7
Crowley County
AQI 12
Custer County
AQI 8
Delta County
AQI 15
Denver County
AQI 76
Dolores County
AQI 13
Douglas County
AQI 76
Eagle County
AQI 7
El Paso County
AQI 43
Elbert County
AQI 23
Fremont County
AQI 10
Garfield County
AQI 35
Gilpin County
AQI 37
Grand County
AQI 8
Gunnison County
AQI 31
Hinsdale County
AQI 10
Huerfano County
AQI 5
Jackson County
AQI 15
Jefferson County
AQI 68
La Plata County
AQI 43
Lake County
AQI 8
Larimer County
AQI 47
Las Animas County
AQI 7
Lincoln County
AQI 10
Logan County
AQI 13
Mesa County
AQI 41
Mineral County
AQI 8
Moffat County
AQI 29
Montezuma County
AQI 38
Montrose County
AQI 15
Morgan County
AQI 12
Otero County
AQI 16
Ouray County
AQI 15
Park County
AQI 6
Phillips County
AQI 16
Pitkin County
AQI 23
Prowers County
AQI 19
Pueblo County
AQI 42
Rio Blanco County
AQI 18
Rio Grande County
AQI 19
Routt County
AQI 22
Saguache County
AQI 10
San Juan County
AQI 15
San Miguel County
AQI 14
Sedgwick County
AQI 15
Summit County
AQI 8
Teller County
AQI 10
Washington County
AQI 9
Weld County
AQI 52
Yuma County
AQI 13
Data Sources
http://www.airnow.gov/

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