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  3. Colorado

Colorado

United States

2026-08-12 08:00
CAQI (Europe)
Low
Pollutants|Pollens
O3
μg/m³
92.9
PM10
μg/m³
22.1
PM2.5
μg/m³
8.2
NO2
μg/m³
17.3
CO
μg/m³
270.8
SO2
μg/m³
1.8
Weather
  • ℃
  • ℉
7℃
78%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 36
Alamosa County
AQI 21
Arapahoe County
AQI 50
Archuleta County
AQI 20
Baca County
AQI 7
Bent County
AQI 15
Boulder County
AQI 33
Broomfield County
AQI 36
Chaffee County
AQI 5
Cheyenne County
AQI 15
Clear Creek County
AQI 41
Conejos County
AQI 24
Costilla County
AQI 7
Crowley County
AQI 15
Custer County
AQI 7
Delta County
AQI 17
Denver County
AQI 42
Dolores County
AQI 9
Douglas County
AQI 49
Eagle County
AQI 10
El Paso County
AQI 44
Elbert County
AQI 31
Fremont County
AQI 18
Garfield County
AQI 40
Gilpin County
AQI 50
Grand County
AQI 10
Gunnison County
AQI 36
Hinsdale County
AQI 13
Huerfano County
AQI 7
Jackson County
AQI 14
Jefferson County
AQI 52
La Plata County
AQI 35
Lake County
AQI 5
Larimer County
AQI 34
Las Animas County
AQI 10
Lincoln County
AQI 14
Logan County
AQI 16
Mesa County
AQI 45
Mineral County
AQI 5
Moffat County
AQI 12
Montezuma County
AQI 52
Montrose County
AQI 15
Morgan County
AQI 13
Otero County
AQI 17
Ouray County
AQI 18
Park County
AQI 6
Phillips County
AQI 15
Pitkin County
AQI 28
Prowers County
AQI 19
Pueblo County
AQI 38
Rio Blanco County
AQI 19
Rio Grande County
AQI 24
Routt County
AQI 14
Saguache County
AQI 7
San Juan County
AQI 18
San Miguel County
AQI 16
Sedgwick County
AQI 13
Summit County
AQI 7
Teller County
AQI 20
Washington County
AQI 13
Weld County
AQI 33
Yuma County
AQI 15
Data Sources
http://www.airnow.gov/

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Cities Nearby

Keystone
AQI 24
Georgetown
AQI 40
Breckenridge
AQI 7
Silverthorne
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Frisco
AQI 7
Wildernest
AQI 7
Bailey
AQI 39
Idaho Springs
AQI 46
Copper Mountain
AQI 6
Black Hawk
AQI 50
Winter Park
AQI 24