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Colorado

United States

2026-06-01 01:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
129.8
PM10
μg/m³
14
PM2.5
μg/m³
2.9
CO
μg/m³
145.8
NO2
μg/m³
2.7
SO2
μg/m³
1
Weather
  • ℃
  • ℉
5℃
49%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 43
Alamosa County
AQI 15
Arapahoe County
AQI 43
Archuleta County
AQI 45
Baca County
AQI 15
Bent County
AQI 31
Boulder County
AQI 37
Broomfield County
AQI 14
Chaffee County
AQI 7
Cheyenne County
AQI 13
Clear Creek County
AQI 40
Conejos County
AQI 15
Costilla County
AQI 10
Crowley County
AQI 18
Custer County
AQI 10
Delta County
AQI 11
Denver County
AQI 43
Dolores County
AQI 9
Douglas County
AQI 41
Eagle County
AQI 6
El Paso County
AQI 38
Elbert County
AQI 27
Fremont County
AQI 15
Garfield County
AQI 39
Gilpin County
AQI 43
Grand County
AQI 6
Gunnison County
AQI 43
Hinsdale County
AQI 12
Huerfano County
AQI 8
Jackson County
AQI 6
Jefferson County
AQI 42
La Plata County
AQI 43
Lake County
AQI 7
Larimer County
AQI 37
Las Animas County
AQI 9
Lincoln County
AQI 13
Logan County
AQI 7
Mesa County
AQI 41
Mineral County
AQI 9
Moffat County
AQI 7
Montezuma County
AQI 40
Montrose County
AQI 11
Morgan County
AQI 11
Otero County
AQI 22
Ouray County
AQI 16
Park County
AQI 8
Phillips County
AQI 10
Pitkin County
AQI 38
Prowers County
AQI 10
Pueblo County
AQI 41
Rio Blanco County
AQI 8
Rio Grande County
AQI 15
Routt County
AQI 6
Saguache County
AQI 10
San Juan County
AQI 16
San Miguel County
AQI 16
Sedgwick County
AQI 8
Summit County
AQI 7
Teller County
AQI 5
Washington County
AQI 13
Weld County
AQI 41
Yuma County
AQI 13
Data Sources
http://www.airnow.gov/

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