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Colorado

United States

2026-06-30 18:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
122.9
PM10
μg/m³
44.8
PM2.5
μg/m³
10.2
CO
μg/m³
187.5
NO2
μg/m³
4
SO2
μg/m³
2.4
Weather
  • ℃
  • ℉
19℃
21%
26 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 143
Alamosa County
AQI 99
Arapahoe County
AQI 141
Archuleta County
AQI 102
Baca County
AQI 7
Bent County
AQI 12
Boulder County
AQI 165
Broomfield County
AQI 48
Chaffee County
AQI 6
Cheyenne County
AQI 16
Clear Creek County
AQI 135
Conejos County
AQI 99
Costilla County
AQI 22
Crowley County
AQI 17
Custer County
AQI 13
Delta County
AQI 92
Denver County
AQI 138
Dolores County
AQI 19
Douglas County
AQI 136
Eagle County
AQI 11
El Paso County
AQI 147
Elbert County
AQI 81
Fremont County
AQI 42
Garfield County
AQI 152
Gilpin County
AQI 139
Grand County
AQI 9
Gunnison County
AQI 136
Hinsdale County
AQI 14
Huerfano County
AQI 7
Jackson County
AQI 15
Jefferson County
AQI 170
La Plata County
AQI 99
Lake County
AQI 6
Larimer County
AQI 145
Las Animas County
AQI 5
Lincoln County
AQI 17
Logan County
AQI 14
Mesa County
AQI 155
Mineral County
AQI 10
Moffat County
AQI 16
Montezuma County
AQI 89
Montrose County
AQI 92
Morgan County
AQI 12
Otero County
AQI 18
Ouray County
AQI 17
Park County
AQI 4
Phillips County
AQI 12
Pitkin County
AQI 90
Prowers County
AQI 51
Pueblo County
AQI 149
Rio Blanco County
AQI 18
Rio Grande County
AQI 99
Routt County
AQI 35
Saguache County
AQI 20
San Juan County
AQI 17
San Miguel County
AQI 17
Sedgwick County
AQI 14
Summit County
AQI 8
Teller County
AQI 17
Washington County
AQI 12
Weld County
AQI 128
Yuma County
AQI 13
Data Sources
http://www.airnow.gov/

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AQI 75
Georgetown
AQI 134
Breckenridge
AQI 10
Silverthorne
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Frisco
AQI 6
Wildernest
AQI 7
Bailey
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Idaho Springs
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Winter Park
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