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Colorado

United States

2026-06-02 10:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
78.8
PM10
μg/m³
13.2
PM2.5
μg/m³
3.9
NO2
μg/m³
8.2
CO
μg/m³
145.8
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
4℃
78%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 23
Alamosa County
AQI 16
Arapahoe County
AQI 30
Archuleta County
AQI 21
Baca County
AQI 13
Bent County
AQI 41
Boulder County
AQI 21
Broomfield County
AQI 22
Chaffee County
AQI 4
Cheyenne County
AQI 5
Clear Creek County
AQI 24
Conejos County
AQI 16
Costilla County
AQI 8
Crowley County
AQI 25
Custer County
AQI 17
Delta County
AQI 18
Denver County
AQI 31
Dolores County
AQI 3
Douglas County
AQI 23
Eagle County
AQI 4
El Paso County
AQI 23
Elbert County
AQI 18
Fremont County
AQI 14
Garfield County
AQI 17
Gilpin County
AQI 27
Grand County
AQI 12
Gunnison County
AQI 29
Hinsdale County
AQI 7
Huerfano County
AQI 18
Jackson County
AQI 10
Jefferson County
AQI 22
La Plata County
AQI 24
Lake County
AQI 4
Larimer County
AQI 23
Las Animas County
AQI 19
Lincoln County
AQI 6
Logan County
AQI 7
Mesa County
AQI 27
Mineral County
AQI 4
Moffat County
AQI 6
Montezuma County
AQI 29
Montrose County
AQI 18
Morgan County
AQI 4
Otero County
AQI 35
Ouray County
AQI 10
Park County
AQI 9
Phillips County
AQI 8
Pitkin County
AQI 29
Prowers County
AQI 10
Pueblo County
AQI 30
Rio Blanco County
AQI 7
Rio Grande County
AQI 16
Routt County
AQI 9
Saguache County
AQI 6
San Juan County
AQI 10
San Miguel County
AQI 10
Sedgwick County
AQI 8
Summit County
AQI 8
Teller County
AQI 6
Washington County
AQI 5
Weld County
AQI 25
Yuma County
AQI 7
Data Sources
http://www.airnow.gov/

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