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Colorado

United States

2026-09-16 08:00
AQI (China)
Excellent
Pollutants|Pollens
PM10
μg/m³
19.3
O3
μg/m³
55.2
PM2.5
μg/m³
3.4
NO2
μg/m³
6.4
CO
μg/m³
208.3
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
6℃
85%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • PM10
  • O3
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 37
Alamosa County
AQI 7
Arapahoe County
AQI 37
Archuleta County
AQI 13
Baca County
AQI 5
Bent County
AQI 5
Boulder County
AQI 28
Broomfield County
AQI 37
Chaffee County
AQI 5
Cheyenne County
AQI 5
Clear Creek County
AQI 19
Conejos County
AQI 7
Costilla County
AQI 6
Crowley County
AQI 6
Custer County
AQI 11
Delta County
AQI 8
Denver County
AQI 37
Dolores County
AQI 5
Douglas County
AQI 37
Eagle County
AQI 4
El Paso County
AQI 22
Elbert County
AQI 13
Fremont County
AQI 21
Garfield County
AQI 12
Gilpin County
AQI 28
Grand County
AQI 6
Gunnison County
AQI 8
Hinsdale County
AQI 6
Huerfano County
AQI 9
Jackson County
AQI 5
Jefferson County
AQI 36
La Plata County
AQI 15
Lake County
AQI 3
Larimer County
AQI 19
Las Animas County
AQI 6
Lincoln County
AQI 5
Logan County
AQI 6
Mesa County
AQI 21
Mineral County
AQI 8
Moffat County
AQI 5
Montezuma County
AQI 21
Montrose County
AQI 8
Morgan County
AQI 5
Otero County
AQI 6
Ouray County
AQI 7
Park County
AQI 10
Phillips County
AQI 6
Pitkin County
AQI 13
Prowers County
AQI 24
Pueblo County
AQI 20
Rio Blanco County
AQI 4
Rio Grande County
AQI 7
Routt County
AQI 3
Saguache County
AQI 7
San Juan County
AQI 7
San Miguel County
AQI 7
Sedgwick County
AQI 5
Summit County
AQI 6
Teller County
AQI 7
Washington County
AQI 6
Weld County
AQI 33
Yuma County
AQI 6
Data Sources
http://www.airnow.gov/

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