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Colorado

United States

2026-01-02 05:00
CAQI (Europe)
Very Low
Pollutants|Pollens
O3
μg/m³
41.5
NO2
μg/m³
33.7
PM10
μg/m³
15.2
PM2.5
μg/m³
6.6
CO
μg/m³
645.8
SO2
μg/m³
3.8
Weather
  • ℃
  • ℉
-4℃
97%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • NO2
  • PM10
  • PM2.5
  • CO
  • SO2
Places included
Adams County
AQI 33
Alamosa County
AQI 24
Arapahoe County
AQI 26
Archuleta County
AQI 9
Baca County
AQI 8
Bent County
AQI 12
Boulder County
AQI 29
Broomfield County
AQI 34
Chaffee County
AQI 10
Cheyenne County
AQI 18
Clear Creek County
AQI 7
Conejos County
AQI 24
Costilla County
AQI 17
Crowley County
AQI 12
Custer County
AQI 11
Delta County
AQI 16
Denver County
AQI 42
Dolores County
AQI 16
Douglas County
AQI 22
Eagle County
AQI 24
El Paso County
AQI 24
Elbert County
AQI 20
Fremont County
AQI 4
Garfield County
AQI 12
Gilpin County
AQI 34
Grand County
AQI 12
Gunnison County
AQI 29
Hinsdale County
AQI 12
Huerfano County
AQI 6
Jackson County
AQI 12
Jefferson County
AQI 31
La Plata County
AQI 15
Lake County
AQI 24
Larimer County
AQI 24
Las Animas County
AQI 6
Lincoln County
AQI 7
Logan County
AQI 16
Mesa County
AQI 18
Mineral County
AQI 12
Moffat County
AQI 18
Montezuma County
AQI 15
Montrose County
AQI 16
Morgan County
AQI 14
Otero County
AQI 8
Ouray County
AQI 11
Park County
AQI 7
Phillips County
AQI 16
Pitkin County
AQI 10
Prowers County
AQI 21
Pueblo County
AQI 23
Rio Blanco County
AQI 20
Rio Grande County
AQI 24
Routt County
AQI 15
Saguache County
AQI 10
San Juan County
AQI 11
San Miguel County
AQI 11
Sedgwick County
AQI 16
Summit County
AQI 24
Teller County
AQI 11
Washington County
AQI 16
Weld County
AQI 16
Yuma County
AQI 16
Data Sources
http://www.airnow.gov/

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