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  3. Colorado

Colorado

United States

2026-06-02 14:00
AQI (US)
Good
Pollutants|Pollens
O3
μg/m³
85.2
PM2.5
μg/m³
4.6
PM10
μg/m³
22.3
NO2
μg/m³
13
CO
μg/m³
250
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
11℃
53%
10 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • O3
  • PM2.5
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 39
Alamosa County
AQI 25
Arapahoe County
AQI 43
Archuleta County
AQI 37
Baca County
AQI 27
Bent County
AQI 41
Boulder County
AQI 35
Broomfield County
AQI 24
Chaffee County
AQI 15
Cheyenne County
AQI 15
Clear Creek County
AQI 33
Conejos County
AQI 24
Costilla County
AQI 22
Crowley County
AQI 41
Custer County
AQI 29
Delta County
AQI 32
Denver County
AQI 39
Dolores County
AQI 8
Douglas County
AQI 35
Eagle County
AQI 11
El Paso County
AQI 37
Elbert County
AQI 27
Fremont County
AQI 20
Garfield County
AQI 34
Gilpin County
AQI 39
Grand County
AQI 18
Gunnison County
AQI 33
Hinsdale County
AQI 18
Huerfano County
AQI 29
Jackson County
AQI 26
Jefferson County
AQI 41
La Plata County
AQI 30
Lake County
AQI 13
Larimer County
AQI 40
Las Animas County
AQI 37
Lincoln County
AQI 12
Logan County
AQI 9
Mesa County
AQI 38
Mineral County
AQI 10
Moffat County
AQI 20
Montezuma County
AQI 39
Montrose County
AQI 38
Morgan County
AQI 9
Otero County
AQI 47
Ouray County
AQI 33
Park County
AQI 26
Phillips County
AQI 6
Pitkin County
AQI 32
Prowers County
AQI 19
Pueblo County
AQI 41
Rio Blanco County
AQI 18
Rio Grande County
AQI 24
Routt County
AQI 23
Saguache County
AQI 16
San Juan County
AQI 33
San Miguel County
AQI 30
Sedgwick County
AQI 9
Summit County
AQI 15
Teller County
AQI 21
Washington County
AQI 7
Weld County
AQI 42
Yuma County
AQI 5
Data Sources
http://www.airnow.gov/

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