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Colorado

United States

2026-06-02 02:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
122.4
PM10
μg/m³
22.1
PM2.5
μg/m³
3.7
NO2
μg/m³
7.5
CO
μg/m³
166.7
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
10℃
51%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 37
Alamosa County
AQI 21
Arapahoe County
AQI 41
Archuleta County
AQI 37
Baca County
AQI 6
Bent County
AQI 22
Boulder County
AQI 39
Broomfield County
AQI 21
Chaffee County
AQI 5
Cheyenne County
AQI 12
Clear Creek County
AQI 40
Conejos County
AQI 21
Costilla County
AQI 6
Crowley County
AQI 20
Custer County
AQI 9
Delta County
AQI 20
Denver County
AQI 37
Dolores County
AQI 5
Douglas County
AQI 40
Eagle County
AQI 7
El Paso County
AQI 35
Elbert County
AQI 27
Fremont County
AQI 31
Garfield County
AQI 39
Gilpin County
AQI 41
Grand County
AQI 6
Gunnison County
AQI 39
Hinsdale County
AQI 11
Huerfano County
AQI 6
Jackson County
AQI 7
Jefferson County
AQI 38
La Plata County
AQI 40
Lake County
AQI 6
Larimer County
AQI 40
Las Animas County
AQI 5
Lincoln County
AQI 12
Logan County
AQI 7
Mesa County
AQI 40
Mineral County
AQI 4
Moffat County
AQI 8
Montezuma County
AQI 39
Montrose County
AQI 20
Morgan County
AQI 7
Otero County
AQI 23
Ouray County
AQI 20
Park County
AQI 5
Phillips County
AQI 9
Pitkin County
AQI 35
Prowers County
AQI 19
Pueblo County
AQI 75
Rio Blanco County
AQI 10
Rio Grande County
AQI 21
Routt County
AQI 18
Saguache County
AQI 7
San Juan County
AQI 20
San Miguel County
AQI 20
Sedgwick County
AQI 7
Summit County
AQI 7
Teller County
AQI 7
Washington County
AQI 16
Weld County
AQI 40
Yuma County
AQI 19
Data Sources
http://www.airnow.gov/

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