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Colorado

United States

2026-06-23 20:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
126
PM10
μg/m³
29.9
PM2.5
μg/m³
6.8
CO
μg/m³
208.3
NO2
μg/m³
5.2
SO2
μg/m³
1.9
Weather
  • ℃
  • ℉
23℃
20%
15 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 133
Alamosa County
AQI 29
Arapahoe County
AQI 146
Archuleta County
AQI 158
Baca County
AQI 9
Bent County
AQI 10
Boulder County
AQI 127
Broomfield County
AQI 41
Chaffee County
AQI 3
Cheyenne County
AQI 8
Clear Creek County
AQI 121
Conejos County
AQI 29
Costilla County
AQI 8
Crowley County
AQI 9
Custer County
AQI 6
Delta County
AQI 23
Denver County
AQI 130
Dolores County
AQI 4
Douglas County
AQI 155
Eagle County
AQI 4
El Paso County
AQI 154
Elbert County
AQI 78
Fremont County
AQI 16
Garfield County
AQI 136
Gilpin County
AQI 133
Grand County
AQI 7
Gunnison County
AQI 136
Hinsdale County
AQI 10
Huerfano County
AQI 3
Jackson County
AQI 12
Jefferson County
AQI 147
La Plata County
AQI 146
Lake County
AQI 4
Larimer County
AQI 120
Las Animas County
AQI 4
Lincoln County
AQI 8
Logan County
AQI 11
Mesa County
AQI 139
Mineral County
AQI 5
Moffat County
AQI 15
Montezuma County
AQI 130
Montrose County
AQI 23
Morgan County
AQI 12
Otero County
AQI 9
Ouray County
AQI 20
Park County
AQI 5
Phillips County
AQI 9
Pitkin County
AQI 131
Prowers County
AQI 19
Pueblo County
AQI 152
Rio Blanco County
AQI 10
Rio Grande County
AQI 29
Routt County
AQI 39
Saguache County
AQI 7
San Juan County
AQI 20
San Miguel County
AQI 20
Sedgwick County
AQI 9
Summit County
AQI 6
Teller County
AQI 19
Washington County
AQI 10
Weld County
AQI 117
Yuma County
AQI 8
Data Sources
http://www.airnow.gov/

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