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Colorado

United States

2026-06-02 07:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
95.5
PM10
μg/m³
18.2
PM2.5
μg/m³
4.2
NO2
μg/m³
7.5
CO
μg/m³
145.8
SO2
μg/m³
1.9
Weather
  • ℃
  • ℉
4℃
68%
2 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 26
Arapahoe County
AQI 36
Archuleta County
AQI 21
Baca County
AQI 18
Bent County
AQI 54
Boulder County
AQI 31
Broomfield County
AQI 15
Chaffee County
AQI 4
Cheyenne County
AQI 7
Clear Creek County
AQI 29
Conejos County
AQI 26
Costilla County
AQI 8
Crowley County
AQI 33
Custer County
AQI 15
Delta County
AQI 42
Denver County
AQI 35
Dolores County
AQI 4
Douglas County
AQI 34
Eagle County
AQI 5
El Paso County
AQI 30
Elbert County
AQI 22
Fremont County
AQI 25
Garfield County
AQI 25
Gilpin County
AQI 32
Grand County
AQI 8
Gunnison County
AQI 31
Hinsdale County
AQI 9
Huerfano County
AQI 14
Jackson County
AQI 7
Jefferson County
AQI 29
La Plata County
AQI 25
Lake County
AQI 4
Larimer County
AQI 30
Las Animas County
AQI 20
Lincoln County
AQI 7
Logan County
AQI 7
Mesa County
AQI 31
Mineral County
AQI 4
Moffat County
AQI 5
Montezuma County
AQI 28
Montrose County
AQI 42
Morgan County
AQI 4
Otero County
AQI 56
Ouray County
AQI 13
Park County
AQI 7
Phillips County
AQI 8
Pitkin County
AQI 29
Prowers County
AQI 15
Pueblo County
AQI 32
Rio Blanco County
AQI 6
Rio Grande County
AQI 26
Routt County
AQI 10
Saguache County
AQI 7
San Juan County
AQI 13
San Miguel County
AQI 13
Sedgwick County
AQI 8
Summit County
AQI 7
Teller County
AQI 7
Washington County
AQI 5
Weld County
AQI 30
Yuma County
AQI 8
Data Sources
http://www.airnow.gov/

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