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Colorado

United States

2026-06-23 01:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
135.2
PM10
μg/m³
29.1
NO2
μg/m³
10
CO
μg/m³
250
PM2.5
μg/m³
6.9
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
12℃
34%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • NO2
  • CO
  • PM2.5
  • SO2
Places included
Adams County
AQI 158
Alamosa County
AQI 30
Arapahoe County
AQI 160
Archuleta County
AQI 165
Baca County
AQI 6
Bent County
AQI 8
Boulder County
AQI 127
Broomfield County
AQI 35
Chaffee County
AQI 5
Cheyenne County
AQI 13
Clear Creek County
AQI 162
Conejos County
AQI 30
Costilla County
AQI 8
Crowley County
AQI 10
Custer County
AQI 12
Delta County
AQI 29
Denver County
AQI 152
Dolores County
AQI 4
Douglas County
AQI 180
Eagle County
AQI 7
El Paso County
AQI 139
Elbert County
AQI 90
Fremont County
AQI 44
Garfield County
AQI 146
Gilpin County
AQI 183
Grand County
AQI 8
Gunnison County
AQI 152
Hinsdale County
AQI 10
Huerfano County
AQI 5
Jackson County
AQI 5
Jefferson County
AQI 172
La Plata County
AQI 143
Lake County
AQI 6
Larimer County
AQI 157
Las Animas County
AQI 4
Lincoln County
AQI 9
Logan County
AQI 6
Mesa County
AQI 155
Mineral County
AQI 5
Moffat County
AQI 6
Montezuma County
AQI 141
Montrose County
AQI 28
Morgan County
AQI 8
Otero County
AQI 9
Ouray County
AQI 17
Park County
AQI 6
Phillips County
AQI 4
Pitkin County
AQI 134
Prowers County
AQI 19
Pueblo County
AQI 124
Rio Blanco County
AQI 9
Rio Grande County
AQI 30
Routt County
AQI 38
Saguache County
AQI 8
San Juan County
AQI 17
San Miguel County
AQI 16
Sedgwick County
AQI 4
Summit County
AQI 7
Teller County
AQI 12
Washington County
AQI 6
Weld County
AQI 135
Yuma County
AQI 4
Data Sources
http://www.airnow.gov/

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