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Colorado

United States

2026-01-02 07:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6.5
O3
μg/m³
42
NO2
μg/m³
32.5
PM10
μg/m³
14.9
CO
μg/m³
625
SO2
μg/m³
3.2
Weather
  • ℃
  • ℉
-4℃
97%
15 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • NO2
  • PM10
  • CO
  • SO2
Places included
Adams County
AQI 54
Alamosa County
AQI 58
Arapahoe County
AQI 30
Archuleta County
AQI 24
Baca County
AQI 25
Bent County
AQI 20
Boulder County
AQI 30
Broomfield County
AQI 56
Chaffee County
AQI 24
Cheyenne County
AQI 22
Clear Creek County
AQI 19
Conejos County
AQI 58
Costilla County
AQI 41
Crowley County
AQI 20
Custer County
AQI 28
Delta County
AQI 45
Denver County
AQI 52
Dolores County
AQI 33
Douglas County
AQI 21
Eagle County
AQI 25
El Paso County
AQI 37
Elbert County
AQI 33
Fremont County
AQI 10
Garfield County
AQI 34
Gilpin County
AQI 36
Grand County
AQI 30
Gunnison County
AQI 28
Hinsdale County
AQI 41
Huerfano County
AQI 20
Jackson County
AQI 30
Jefferson County
AQI 36
La Plata County
AQI 48
Lake County
AQI 25
Larimer County
AQI 26
Las Animas County
AQI 20
Lincoln County
AQI 22
Logan County
AQI 51
Mesa County
AQI 53
Mineral County
AQI 41
Moffat County
AQI 42
Montezuma County
AQI 15
Montrose County
AQI 45
Morgan County
AQI 41
Otero County
AQI 24
Ouray County
AQI 22
Park County
AQI 19
Phillips County
AQI 51
Pitkin County
AQI 17
Prowers County
AQI 22
Pueblo County
AQI 24
Rio Blanco County
AQI 38
Rio Grande County
AQI 58
Routt County
AQI 36
Saguache County
AQI 24
San Juan County
AQI 22
San Miguel County
AQI 22
Sedgwick County
AQI 51
Summit County
AQI 25
Teller County
AQI 37
Washington County
AQI 51
Weld County
AQI 38
Yuma County
AQI 51
Data Sources
http://www.airnow.gov/

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