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Colorado

United States

2026-06-20 15:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
39.9
O3
μg/m³
100.8
PM2.5
μg/m³
8.1
NO2
μg/m³
11.8
CO
μg/m³
208.3
SO2
μg/m³
3.2
Weather
  • ℃
  • ℉
18℃
22%
20 kph
6 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 59
Alamosa County
AQI 42
Arapahoe County
AQI 50
Archuleta County
AQI 34
Baca County
AQI 8
Bent County
AQI 13
Boulder County
AQI 39
Broomfield County
AQI 60
Chaffee County
AQI 5
Cheyenne County
AQI 9
Clear Creek County
AQI 27
Conejos County
AQI 42
Costilla County
AQI 12
Crowley County
AQI 14
Custer County
AQI 12
Delta County
AQI 44
Denver County
AQI 54
Dolores County
AQI 9
Douglas County
AQI 40
Eagle County
AQI 6
El Paso County
AQI 35
Elbert County
AQI 19
Fremont County
AQI 34
Garfield County
AQI 29
Gilpin County
AQI 39
Grand County
AQI 8
Gunnison County
AQI 29
Hinsdale County
AQI 21
Huerfano County
AQI 8
Jackson County
AQI 10
Jefferson County
AQI 48
La Plata County
AQI 31
Lake County
AQI 5
Larimer County
AQI 47
Las Animas County
AQI 9
Lincoln County
AQI 11
Logan County
AQI 9
Mesa County
AQI 35
Mineral County
AQI 8
Moffat County
AQI 9
Montezuma County
AQI 37
Montrose County
AQI 44
Morgan County
AQI 8
Otero County
AQI 13
Ouray County
AQI 21
Park County
AQI 7
Phillips County
AQI 11
Pitkin County
AQI 28
Prowers County
AQI 20
Pueblo County
AQI 43
Rio Blanco County
AQI 6
Rio Grande County
AQI 42
Routt County
AQI 36
Saguache County
AQI 12
San Juan County
AQI 21
San Miguel County
AQI 21
Sedgwick County
AQI 12
Summit County
AQI 9
Teller County
AQI 12
Washington County
AQI 9
Weld County
AQI 52
Yuma County
AQI 10
Data Sources
http://www.airnow.gov/

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