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Colorado

United States

2026-06-22 08:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
28.5
O3
μg/m³
88
PM2.5
μg/m³
8.1
NO2
μg/m³
10.9
CO
μg/m³
229.2
SO2
μg/m³
1.8
Weather
  • ℃
  • ℉
3℃
75%
6 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 27
Alamosa County
AQI 58
Arapahoe County
AQI 29
Archuleta County
AQI 25
Baca County
AQI 10
Bent County
AQI 11
Boulder County
AQI 18
Broomfield County
AQI 22
Chaffee County
AQI 6
Cheyenne County
AQI 6
Clear Creek County
AQI 29
Conejos County
AQI 58
Costilla County
AQI 24
Crowley County
AQI 12
Custer County
AQI 23
Delta County
AQI 34
Denver County
AQI 24
Dolores County
AQI 8
Douglas County
AQI 30
Eagle County
AQI 6
El Paso County
AQI 30
Elbert County
AQI 19
Fremont County
AQI 27
Garfield County
AQI 6
Gilpin County
AQI 29
Grand County
AQI 5
Gunnison County
AQI 30
Hinsdale County
AQI 28
Huerfano County
AQI 29
Jackson County
AQI 4
Jefferson County
AQI 31
La Plata County
AQI 27
Lake County
AQI 6
Larimer County
AQI 30
Las Animas County
AQI 22
Lincoln County
AQI 9
Logan County
AQI 1
Mesa County
AQI 32
Mineral County
AQI 10
Moffat County
AQI 5
Montezuma County
AQI 32
Montrose County
AQI 34
Morgan County
AQI 5
Otero County
AQI 13
Ouray County
AQI 45
Park County
AQI 7
Phillips County
AQI 1
Pitkin County
AQI 36
Prowers County
AQI 9
Pueblo County
AQI 28
Rio Blanco County
AQI 6
Rio Grande County
AQI 58
Routt County
AQI 8
Saguache County
AQI 16
San Juan County
AQI 45
San Miguel County
AQI 45
Sedgwick County
AQI 1
Summit County
AQI 7
Teller County
AQI 10
Washington County
AQI 2
Weld County
AQI 26
Yuma County
AQI 1
Data Sources
http://www.airnow.gov/

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