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Colorado

United States

2026-06-23 04:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
110.4
PM10
μg/m³
34.2
PM2.5
μg/m³
7
NO2
μg/m³
8.7
CO
μg/m³
187.5
SO2
μg/m³
2.1
Weather
  • ℃
  • ℉
7℃
52%
7 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 133
Alamosa County
AQI 31
Arapahoe County
AQI 146
Archuleta County
AQI 78
Baca County
AQI 9
Bent County
AQI 23
Boulder County
AQI 95
Broomfield County
AQI 34
Chaffee County
AQI 6
Cheyenne County
AQI 17
Clear Creek County
AQI 118
Conejos County
AQI 33
Costilla County
AQI 8
Crowley County
AQI 29
Custer County
AQI 12
Delta County
AQI 29
Denver County
AQI 136
Dolores County
AQI 3
Douglas County
AQI 180
Eagle County
AQI 9
El Paso County
AQI 102
Elbert County
AQI 82
Fremont County
AQI 46
Garfield County
AQI 86
Gilpin County
AQI 143
Grand County
AQI 10
Gunnison County
AQI 114
Hinsdale County
AQI 8
Huerfano County
AQI 8
Jackson County
AQI 8
Jefferson County
AQI 109
La Plata County
AQI 94
Lake County
AQI 6
Larimer County
AQI 121
Las Animas County
AQI 11
Lincoln County
AQI 16
Logan County
AQI 22
Mesa County
AQI 130
Mineral County
AQI 5
Moffat County
AQI 8
Montezuma County
AQI 111
Montrose County
AQI 39
Morgan County
AQI 12
Otero County
AQI 40
Ouray County
AQI 13
Park County
AQI 8
Phillips County
AQI 26
Pitkin County
AQI 125
Prowers County
AQI 12
Pueblo County
AQI 111
Rio Blanco County
AQI 13
Rio Grande County
AQI 33
Routt County
AQI 23
Saguache County
AQI 8
San Juan County
AQI 13
San Miguel County
AQI 15
Sedgwick County
AQI 23
Summit County
AQI 10
Teller County
AQI 13
Washington County
AQI 18
Weld County
AQI 103
Yuma County
AQI 25
Data Sources
http://www.airnow.gov/

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Breckenridge
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