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Colorado

United States

2026-06-29 00:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
139.7
PM10
μg/m³
39.2
PM2.5
μg/m³
8
CO
μg/m³
208.3
NO2
μg/m³
6.2
SO2
μg/m³
2.8
Weather
  • ℃
  • ℉
17℃
25%
27 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Adams County
AQI 180
Alamosa County
AQI 74
Arapahoe County
AQI 176
Archuleta County
AQI 136
Baca County
AQI 6
Bent County
AQI 24
Boulder County
AQI 161
Broomfield County
AQI 42
Chaffee County
AQI 5
Cheyenne County
AQI 16
Clear Creek County
AQI 158
Conejos County
AQI 74
Costilla County
AQI 12
Crowley County
AQI 21
Custer County
AQI 7
Delta County
AQI 51
Denver County
AQI 169
Dolores County
AQI 4
Douglas County
AQI 187
Eagle County
AQI 4
El Paso County
AQI 136
Elbert County
AQI 88
Fremont County
AQI 25
Garfield County
AQI 155
Gilpin County
AQI 168
Grand County
AQI 4
Gunnison County
AQI 139
Hinsdale County
AQI 23
Huerfano County
AQI 5
Jackson County
AQI 7
Jefferson County
AQI 197
La Plata County
AQI 130
Lake County
AQI 4
Larimer County
AQI 188
Las Animas County
AQI 10
Lincoln County
AQI 15
Logan County
AQI 7
Mesa County
AQI 158
Mineral County
AQI 5
Moffat County
AQI 12
Montezuma County
AQI 139
Montrose County
AQI 51
Morgan County
AQI 9
Otero County
AQI 33
Ouray County
AQI 42
Park County
AQI 4
Phillips County
AQI 7
Pitkin County
AQI 139
Prowers County
AQI 12
Pueblo County
AQI 114
Rio Blanco County
AQI 14
Rio Grande County
AQI 74
Routt County
AQI 30
Saguache County
AQI 11
San Juan County
AQI 42
San Miguel County
AQI 42
Sedgwick County
AQI 8
Summit County
AQI 6
Teller County
AQI 5
Washington County
AQI 10
Weld County
AQI 185
Yuma County
AQI 9
Data Sources
http://www.airnow.gov/

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