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Colorado

United States

2026-06-28 04:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
112.1
PM10
μg/m³
54.4
PM2.5
μg/m³
15.1
NO2
μg/m³
15.1
CO
μg/m³
291.7
SO2
μg/m³
2.6
Weather
  • ℃
  • ℉
12℃
19%
29 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 58
Alamosa County
AQI 73
Arapahoe County
AQI 109
Archuleta County
AQI 130
Baca County
AQI 4
Bent County
AQI 29
Boulder County
AQI 86
Broomfield County
AQI 18
Chaffee County
AQI 5
Cheyenne County
AQI 15
Clear Creek County
AQI 120
Conejos County
AQI 73
Costilla County
AQI 13
Crowley County
AQI 23
Custer County
AQI 10
Delta County
AQI 114
Denver County
AQI 119
Dolores County
AQI 7
Douglas County
AQI 136
Eagle County
AQI 6
El Paso County
AQI 114
Elbert County
AQI 67
Fremont County
AQI 44
Garfield County
AQI 133
Gilpin County
AQI 146
Grand County
AQI 6
Gunnison County
AQI 133
Hinsdale County
AQI 41
Huerfano County
AQI 4
Jackson County
AQI 12
Jefferson County
AQI 137
La Plata County
AQI 130
Lake County
AQI 5
Larimer County
AQI 144
Las Animas County
AQI 8
Lincoln County
AQI 15
Logan County
AQI 6
Mesa County
AQI 139
Mineral County
AQI 6
Moffat County
AQI 8
Montezuma County
AQI 136
Montrose County
AQI 114
Morgan County
AQI 6
Otero County
AQI 39
Ouray County
AQI 77
Park County
AQI 5
Phillips County
AQI 10
Pitkin County
AQI 97
Prowers County
AQI 12
Pueblo County
AQI 102
Rio Blanco County
AQI 15
Rio Grande County
AQI 73
Routt County
AQI 309
Saguache County
AQI 13
San Juan County
AQI 77
San Miguel County
AQI 77
Sedgwick County
AQI 9
Summit County
AQI 8
Teller County
AQI 7
Washington County
AQI 6
Weld County
AQI 106
Yuma County
AQI 10
Data Sources
http://www.airnow.gov/

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