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Colorado

United States

2026-06-30 03:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
112.7
PM10
μg/m³
39.7
PM2.5
μg/m³
11.4
NO2
μg/m³
13.7
CO
μg/m³
229.2
SO2
μg/m³
2.3
Weather
  • ℃
  • ℉
5℃
44%
5 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 93
Alamosa County
AQI 71
Arapahoe County
AQI 139
Archuleta County
AQI 102
Baca County
AQI 5
Bent County
AQI 23
Boulder County
AQI 130
Broomfield County
AQI 50
Chaffee County
AQI 27
Cheyenne County
AQI 9
Clear Creek County
AQI 141
Conejos County
AQI 71
Costilla County
AQI 15
Crowley County
AQI 21
Custer County
AQI 8
Delta County
AQI 69
Denver County
AQI 139
Dolores County
AQI 48
Douglas County
AQI 136
Eagle County
AQI 18
El Paso County
AQI 138
Elbert County
AQI 84
Fremont County
AQI 21
Garfield County
AQI 67
Gilpin County
AQI 146
Grand County
AQI 14
Gunnison County
AQI 139
Hinsdale County
AQI 20
Huerfano County
AQI 6
Jackson County
AQI 13
Jefferson County
AQI 152
La Plata County
AQI 109
Lake County
AQI 21
Larimer County
AQI 106
Las Animas County
AQI 9
Lincoln County
AQI 8
Logan County
AQI 17
Mesa County
AQI 99
Mineral County
AQI 8
Moffat County
AQI 8
Montezuma County
AQI 160
Montrose County
AQI 69
Morgan County
AQI 18
Otero County
AQI 33
Ouray County
AQI 14
Park County
AQI 18
Phillips County
AQI 16
Pitkin County
AQI 82
Prowers County
AQI 8
Pueblo County
AQI 120
Rio Blanco County
AQI 20
Rio Grande County
AQI 71
Routt County
AQI 12
Saguache County
AQI 20
San Juan County
AQI 14
San Miguel County
AQI 14
Sedgwick County
AQI 16
Summit County
AQI 14
Teller County
AQI 11
Washington County
AQI 16
Weld County
AQI 116
Yuma County
AQI 16
Data Sources
http://www.airnow.gov/

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