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Colorado

United States

2026-06-01 11:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
82.4
PM10
μg/m³
13.6
NO2
μg/m³
12.4
PM2.5
μg/m³
3.7
CO
μg/m³
187.5
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
1℃
69%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • NO2
  • PM2.5
  • CO
  • SO2
Places included
Adams County
AQI 28
Alamosa County
AQI 19
Arapahoe County
AQI 30
Archuleta County
AQI 15
Baca County
AQI 14
Bent County
AQI 18
Boulder County
AQI 25
Broomfield County
AQI 17
Chaffee County
AQI 10
Cheyenne County
AQI 20
Clear Creek County
AQI 27
Conejos County
AQI 19
Costilla County
AQI 11
Crowley County
AQI 17
Custer County
AQI 13
Delta County
AQI 15
Denver County
AQI 22
Dolores County
AQI 5
Douglas County
AQI 29
Eagle County
AQI 10
El Paso County
AQI 24
Elbert County
AQI 19
Fremont County
AQI 20
Garfield County
AQI 16
Gilpin County
AQI 32
Grand County
AQI 11
Gunnison County
AQI 28
Hinsdale County
AQI 8
Huerfano County
AQI 15
Jackson County
AQI 10
Jefferson County
AQI 32
La Plata County
AQI 26
Lake County
AQI 10
Larimer County
AQI 23
Las Animas County
AQI 12
Lincoln County
AQI 17
Logan County
AQI 7
Mesa County
AQI 27
Mineral County
AQI 6
Moffat County
AQI 11
Montezuma County
AQI 31
Montrose County
AQI 15
Morgan County
AQI 8
Otero County
AQI 19
Ouray County
AQI 9
Park County
AQI 10
Phillips County
AQI 9
Pitkin County
AQI 26
Prowers County
AQI 18
Pueblo County
AQI 29
Rio Blanco County
AQI 13
Rio Grande County
AQI 19
Routt County
AQI 13
Saguache County
AQI 10
San Juan County
AQI 9
San Miguel County
AQI 9
Sedgwick County
AQI 7
Summit County
AQI 12
Teller County
AQI 7
Washington County
AQI 11
Weld County
AQI 31
Yuma County
AQI 10
Data Sources
http://www.airnow.gov/

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