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Colorado

United States

2026-06-03 00:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
118.4
PM10
μg/m³
18.8
PM2.5
μg/m³
3.7
NO2
μg/m³
8.3
CO
μg/m³
229.2
SO2
μg/m³
1.2
Weather
  • ℃
  • ℉
13℃
49%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 39
Alamosa County
AQI 18
Arapahoe County
AQI 33
Archuleta County
AQI 43
Baca County
AQI 6
Bent County
AQI 7
Boulder County
AQI 34
Broomfield County
AQI 20
Chaffee County
AQI 3
Cheyenne County
AQI 8
Clear Creek County
AQI 36
Conejos County
AQI 18
Costilla County
AQI 7
Crowley County
AQI 7
Custer County
AQI 8
Delta County
AQI 14
Denver County
AQI 40
Dolores County
AQI 4
Douglas County
AQI 37
Eagle County
AQI 3
El Paso County
AQI 32
Elbert County
AQI 21
Fremont County
AQI 20
Garfield County
AQI 39
Gilpin County
AQI 37
Grand County
AQI 4
Gunnison County
AQI 38
Hinsdale County
AQI 12
Huerfano County
AQI 6
Jackson County
AQI 5
Jefferson County
AQI 41
La Plata County
AQI 41
Lake County
AQI 3
Larimer County
AQI 37
Las Animas County
AQI 6
Lincoln County
AQI 8
Logan County
AQI 6
Mesa County
AQI 41
Mineral County
AQI 4
Moffat County
AQI 6
Montezuma County
AQI 40
Montrose County
AQI 14
Morgan County
AQI 8
Otero County
AQI 7
Ouray County
AQI 23
Park County
AQI 6
Phillips County
AQI 5
Pitkin County
AQI 37
Prowers County
AQI 18
Pueblo County
AQI 30
Rio Blanco County
AQI 6
Rio Grande County
AQI 18
Routt County
AQI 15
Saguache County
AQI 7
San Juan County
AQI 23
San Miguel County
AQI 23
Sedgwick County
AQI 5
Summit County
AQI 5
Teller County
AQI 7
Washington County
AQI 7
Weld County
AQI 36
Yuma County
AQI 6
Data Sources
http://www.airnow.gov/

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