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Colorado

United States

2026-06-02 12:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
75.9
PM10
μg/m³
13.1
NO2
μg/m³
11.6
PM2.5
μg/m³
3.7
CO
μg/m³
208.3
SO2
μg/m³
0.9
Weather
  • ℃
  • ℉
2℃
72%
3 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Adams County
AQI 26
Alamosa County
AQI 16
Arapahoe County
AQI 27
Archuleta County
AQI 15
Baca County
AQI 13
Bent County
AQI 38
Boulder County
AQI 23
Broomfield County
AQI 13
Chaffee County
AQI 4
Cheyenne County
AQI 6
Clear Creek County
AQI 23
Conejos County
AQI 16
Costilla County
AQI 8
Crowley County
AQI 22
Custer County
AQI 19
Delta County
AQI 19
Denver County
AQI 30
Dolores County
AQI 3
Douglas County
AQI 19
Eagle County
AQI 4
El Paso County
AQI 31
Elbert County
AQI 16
Fremont County
AQI 21
Garfield County
AQI 15
Gilpin County
AQI 26
Grand County
AQI 13
Gunnison County
AQI 27
Hinsdale County
AQI 7
Huerfano County
AQI 18
Jackson County
AQI 11
Jefferson County
AQI 20
La Plata County
AQI 20
Lake County
AQI 4
Larimer County
AQI 22
Las Animas County
AQI 17
Lincoln County
AQI 6
Logan County
AQI 7
Mesa County
AQI 26
Mineral County
AQI 4
Moffat County
AQI 6
Montezuma County
AQI 29
Montrose County
AQI 19
Morgan County
AQI 4
Otero County
AQI 31
Ouray County
AQI 11
Park County
AQI 9
Phillips County
AQI 8
Pitkin County
AQI 29
Prowers County
AQI 14
Pueblo County
AQI 30
Rio Blanco County
AQI 7
Rio Grande County
AQI 16
Routt County
AQI 10
Saguache County
AQI 6
San Juan County
AQI 11
San Miguel County
AQI 11
Sedgwick County
AQI 7
Summit County
AQI 8
Teller County
AQI 5
Washington County
AQI 5
Weld County
AQI 22
Yuma County
AQI 7
Data Sources
http://www.airnow.gov/

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