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Colorado

United States

2026-10-03 20:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
114.2
PM10
μg/m³
18.8
CO
μg/m³
145.8
PM2.5
μg/m³
4.1
NO2
μg/m³
3.7
SO2
μg/m³
1.4
Weather
  • ℃
  • ℉
16℃
14%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • CO
  • PM2.5
  • NO2
  • SO2
Places included
Adams County
AQI 143
Alamosa County
AQI 12
Arapahoe County
AQI 146
Archuleta County
AQI 84
Baca County
AQI 3
Bent County
AQI 3
Boulder County
AQI 133
Broomfield County
AQI 34
Chaffee County
AQI 6
Cheyenne County
AQI 2
Clear Creek County
AQI 119
Conejos County
AQI 12
Costilla County
AQI 4
Crowley County
AQI 6
Custer County
AQI 4
Delta County
AQI 11
Denver County
AQI 125
Dolores County
AQI 5
Douglas County
AQI 152
Eagle County
AQI 7
El Paso County
AQI 152
Elbert County
AQI 78
Fremont County
AQI 11
Garfield County
AQI 102
Gilpin County
AQI 143
Grand County
AQI 4
Gunnison County
AQI 97
Hinsdale County
AQI 7
Huerfano County
AQI 4
Jackson County
AQI 4
Jefferson County
AQI 168
La Plata County
AQI 111
Lake County
AQI 6
Larimer County
AQI 125
Las Animas County
AQI 2
Lincoln County
AQI 4
Logan County
AQI 6
Mesa County
AQI 108
Mineral County
AQI 4
Moffat County
AQI 7
Montezuma County
AQI 88
Montrose County
AQI 11
Morgan County
AQI 5
Otero County
AQI 4
Ouray County
AQI 12
Park County
AQI 6
Phillips County
AQI 7
Pitkin County
AQI 97
Prowers County
AQI 9
Pueblo County
AQI 108
Rio Blanco County
AQI 7
Rio Grande County
AQI 12
Routt County
AQI 14
Saguache County
AQI 5
San Juan County
AQI 12
San Miguel County
AQI 12
Sedgwick County
AQI 6
Summit County
AQI 5
Teller County
AQI 7
Washington County
AQI 6
Weld County
AQI 122
Yuma County
AQI 5
Data Sources
http://www.airnow.gov/

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