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Colorado

United States

2026-06-03 16:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
101.3
PM10
μg/m³
28
PM2.5
μg/m³
4.6
NO2
μg/m³
9.3
CO
μg/m³
229.2
SO2
μg/m³
2.2
Weather
  • ℃
  • ℉
14℃
18%
5 kph
8 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 36
Alamosa County
AQI 31
Arapahoe County
AQI 38
Archuleta County
AQI 33
Baca County
AQI 16
Bent County
AQI 44
Boulder County
AQI 33
Broomfield County
AQI 35
Chaffee County
AQI 2
Cheyenne County
AQI 14
Clear Creek County
AQI 29
Conejos County
AQI 31
Costilla County
AQI 8
Crowley County
AQI 23
Custer County
AQI 7
Delta County
AQI 58
Denver County
AQI 37
Dolores County
AQI 3
Douglas County
AQI 34
Eagle County
AQI 3
El Paso County
AQI 25
Elbert County
AQI 18
Fremont County
AQI 23
Garfield County
AQI 31
Gilpin County
AQI 35
Grand County
AQI 3
Gunnison County
AQI 31
Hinsdale County
AQI 21
Huerfano County
AQI 3
Jackson County
AQI 5
Jefferson County
AQI 37
La Plata County
AQI 36
Lake County
AQI 2
Larimer County
AQI 34
Las Animas County
AQI 8
Lincoln County
AQI 16
Logan County
AQI 8
Mesa County
AQI 33
Mineral County
AQI 5
Moffat County
AQI 8
Montezuma County
AQI 29
Montrose County
AQI 58
Morgan County
AQI 9
Otero County
AQI 35
Ouray County
AQI 23
Park County
AQI 3
Phillips County
AQI 6
Pitkin County
AQI 29
Prowers County
AQI 9
Pueblo County
AQI 23
Rio Blanco County
AQI 8
Rio Grande County
AQI 31
Routt County
AQI 22
Saguache County
AQI 8
San Juan County
AQI 23
San Miguel County
AQI 23
Sedgwick County
AQI 6
Summit County
AQI 5
Teller County
AQI 8
Washington County
AQI 9
Weld County
AQI 41
Yuma County
AQI 6
Data Sources
http://www.airnow.gov/

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