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Colorado

United States

2026-06-22 13:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
42.4
O3
μg/m³
75.5
PM2.5
μg/m³
10
NO2
μg/m³
17.6
CO
μg/m³
291.7
SO2
μg/m³
2.8
Weather
  • ℃
  • ℉
11℃
45%
7 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 54
Alamosa County
AQI 76
Arapahoe County
AQI 27
Archuleta County
AQI 38
Baca County
AQI 4
Bent County
AQI 4
Boulder County
AQI 14
Broomfield County
AQI 69
Chaffee County
AQI 9
Cheyenne County
AQI 2
Clear Creek County
AQI 22
Conejos County
AQI 76
Costilla County
AQI 31
Crowley County
AQI 8
Custer County
AQI 23
Delta County
AQI 59
Denver County
AQI 22
Dolores County
AQI 7
Douglas County
AQI 31
Eagle County
AQI 5
El Paso County
AQI 23
Elbert County
AQI 14
Fremont County
AQI 40
Garfield County
AQI 9
Gilpin County
AQI 26
Grand County
AQI 6
Gunnison County
AQI 27
Hinsdale County
AQI 22
Huerfano County
AQI 22
Jackson County
AQI 4
Jefferson County
AQI 27
La Plata County
AQI 34
Lake County
AQI 7
Larimer County
AQI 26
Las Animas County
AQI 16
Lincoln County
AQI 4
Logan County
AQI 2
Mesa County
AQI 28
Mineral County
AQI 11
Moffat County
AQI 5
Montezuma County
AQI 32
Montrose County
AQI 59
Morgan County
AQI 3
Otero County
AQI 8
Ouray County
AQI 52
Park County
AQI 10
Phillips County
AQI 2
Pitkin County
AQI 36
Prowers County
AQI 3
Pueblo County
AQI 31
Rio Blanco County
AQI 6
Rio Grande County
AQI 76
Routt County
AQI 15
Saguache County
AQI 20
San Juan County
AQI 52
San Miguel County
AQI 52
Sedgwick County
AQI 2
Summit County
AQI 8
Teller County
AQI 12
Washington County
AQI 3
Weld County
AQI 25
Yuma County
AQI 3
Data Sources
http://www.airnow.gov/

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