1. North America
  2. United States
  3. Colorado

Colorado

United States

2024-11-21 10:00
AQI (US)
Good
Pollutants|Pollens
PM2.5
μg/m³
6
NO2
μg/m³
53.3
O3
μg/m³
57.6
PM10
μg/m³
12.4
CO
μg/m³
456.3
SO2
μg/m³
1.5
Weather
  • ℃
  • ℉
-9℃
73%
9 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • O3
  • PM10
  • CO
  • SO2
Places included
Adams County
AQI 32
Alamosa County
AQI 38
Arapahoe County
AQI 33
Archuleta County
AQI 25
Baca County
AQI 19
Bent County
AQI 16
Boulder County
AQI 33
Broomfield County
AQI 35
Chaffee County
AQI 18
Cheyenne County
AQI 17
Clear Creek County
AQI 34
Conejos County
AQI 38
Costilla County
AQI 31
Crowley County
AQI 16
Custer County
AQI 21
Delta County
AQI 26
Denver County
AQI 26
Dolores County
AQI 25
Douglas County
AQI 38
Eagle County
AQI 29
El Paso County
AQI 25
Elbert County
AQI 38
Fremont County
AQI 6
Garfield County
AQI 8
Gilpin County
AQI 0
Grand County
AQI 44
Gunnison County
AQI 37
Hinsdale County
AQI 25
Huerfano County
AQI 15
Jackson County
AQI 21
Jefferson County
AQI 35
La Plata County
AQI 23
Lake County
AQI 35
Larimer County
AQI 25
Las Animas County
AQI 15
Lincoln County
AQI 18
Logan County
AQI 38
Mesa County
AQI 52
Mineral County
AQI 25
Moffat County
AQI 25
Montezuma County
AQI 24
Montrose County
AQI 27
Morgan County
AQI 31
Otero County
AQI 18
Ouray County
AQI 3
Park County
AQI 34
Phillips County
AQI 38
Pitkin County
AQI 29
Prowers County
AQI 9
Pueblo County
AQI 29
Rio Blanco County
AQI 30
Rio Grande County
AQI 38
Routt County
AQI 22
Saguache County
AQI 18
San Juan County
AQI 3
San Miguel County
AQI 3
Sedgwick County
AQI 38
Summit County
AQI 35
Teller County
AQI 39
Washington County
AQI 38
Weld County
AQI 40
Yuma County
AQI 38
Data Sources
http://www.airnow.gov/

Get the App

Scan QR Code
Air Matters
Realtime broadcasting air quality information on your phone for more than 180 countries.

iPhone, iPad

Android

Cities Nearby

Keystone
AQI 20
Georgetown
AQI 20
Breckenridge
AQI 35
Silverthorne
AQI 35
Frisco
AQI 35
Wildernest
AQI 35
Bailey
AQI 34
Idaho Springs
AQI 34
Copper Mountain
AQI 35
Black Hawk
AQI 0
Winter Park
AQI 20