1. North America
  2. United States
  3. Colorado

Colorado

United States

2026-06-22 16:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
9.7
O3
μg/m³
101.5
PM10
μg/m³
37.9
NO2
μg/m³
16.4
CO
μg/m³
291.7
SO2
μg/m³
2.8
Weather
  • ℃
  • ℉
17℃
20%
16 kph
8 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • O3
  • PM10
  • NO2
  • CO
  • SO2
Places included
Adams County
AQI 51
Alamosa County
AQI 53
Arapahoe County
AQI 71
Archuleta County
AQI 54
Baca County
AQI 14
Bent County
AQI 16
Boulder County
AQI 49
Broomfield County
AQI 52
Chaffee County
AQI 35
Cheyenne County
AQI 15
Clear Creek County
AQI 42
Conejos County
AQI 53
Costilla County
AQI 41
Crowley County
AQI 28
Custer County
AQI 45
Delta County
AQI 56
Denver County
AQI 50
Dolores County
AQI 14
Douglas County
AQI 60
Eagle County
AQI 25
El Paso County
AQI 54
Elbert County
AQI 36
Fremont County
AQI 42
Garfield County
AQI 34
Gilpin County
AQI 46
Grand County
AQI 21
Gunnison County
AQI 46
Hinsdale County
AQI 51
Huerfano County
AQI 43
Jackson County
AQI 19
Jefferson County
AQI 39
La Plata County
AQI 63
Lake County
AQI 31
Larimer County
AQI 58
Las Animas County
AQI 36
Lincoln County
AQI 22
Logan County
AQI 15
Mesa County
AQI 45
Mineral County
AQI 19
Moffat County
AQI 20
Montezuma County
AQI 58
Montrose County
AQI 56
Morgan County
AQI 25
Otero County
AQI 28
Ouray County
AQI 63
Park County
AQI 35
Phillips County
AQI 10
Pitkin County
AQI 51
Prowers County
AQI 39
Pueblo County
AQI 51
Rio Blanco County
AQI 31
Rio Grande County
AQI 53
Routt County
AQI 26
Saguache County
AQI 38
San Juan County
AQI 63
San Miguel County
AQI 63
Sedgwick County
AQI 10
Summit County
AQI 28
Teller County
AQI 38
Washington County
AQI 18
Weld County
AQI 61
Yuma County
AQI 11
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 33
Georgetown
AQI 44
Breckenridge
AQI 30
Silverthorne
AQI 27
Frisco
AQI 26
Wildernest
AQI 25
Bailey
AQI 38
Idaho Springs
AQI 41
Copper Mountain
AQI 27
Black Hawk
AQI 46
Winter Park
AQI 28