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Colorado

United States

2026-06-03 17:00
AQI (China)
Excellent
Pollutants|Pollens
O3
μg/m³
110.3
PM10
μg/m³
25.4
PM2.5
μg/m³
4.3
NO2
μg/m³
8.5
CO
μg/m³
187.5
SO2
μg/m³
1.8
Weather
  • ℃
  • ℉
15℃
31%
4 kph
9 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 26
Arapahoe County
AQI 39
Archuleta County
AQI 33
Baca County
AQI 10
Bent County
AQI 27
Boulder County
AQI 37
Broomfield County
AQI 42
Chaffee County
AQI 2
Cheyenne County
AQI 17
Clear Creek County
AQI 32
Conejos County
AQI 26
Costilla County
AQI 7
Crowley County
AQI 24
Custer County
AQI 7
Delta County
AQI 27
Denver County
AQI 38
Dolores County
AQI 3
Douglas County
AQI 40
Eagle County
AQI 3
El Paso County
AQI 28
Elbert County
AQI 21
Fremont County
AQI 29
Garfield County
AQI 33
Gilpin County
AQI 36
Grand County
AQI 3
Gunnison County
AQI 34
Hinsdale County
AQI 13
Huerfano County
AQI 4
Jackson County
AQI 5
Jefferson County
AQI 38
La Plata County
AQI 36
Lake County
AQI 2
Larimer County
AQI 35
Las Animas County
AQI 9
Lincoln County
AQI 16
Logan County
AQI 8
Mesa County
AQI 35
Mineral County
AQI 4
Moffat County
AQI 9
Montezuma County
AQI 30
Montrose County
AQI 27
Morgan County
AQI 9
Otero County
AQI 34
Ouray County
AQI 23
Park County
AQI 3
Phillips County
AQI 6
Pitkin County
AQI 32
Prowers County
AQI 9
Pueblo County
AQI 29
Rio Blanco County
AQI 8
Rio Grande County
AQI 26
Routt County
AQI 15
Saguache County
AQI 7
San Juan County
AQI 23
San Miguel County
AQI 23
Sedgwick County
AQI 6
Summit County
AQI 4
Teller County
AQI 7
Washington County
AQI 9
Weld County
AQI 42
Yuma County
AQI 6
Data Sources
http://www.airnow.gov/

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AQI 32
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AQI 3
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