1. North America
  2. United States
  3. Colorado

Colorado

United States

2026-10-14 04:00
AQHI (Canada)
Low
Pollutants|Pollens
O3
μg/m³
54.4
PM10
μg/m³
9.8
PM2.5
μg/m³
3.3
NO2
μg/m³
7.5
SO2
μg/m³
1.1
Weather
  • ℃
  • ℉
2℃
96%
10 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQHI (Canada)
  • Pollen
  • O3
  • PM10
  • PM2.5
  • NO2
  • SO2
Places included
Adams County
AQI 2
Alamosa County
AQI --
Arapahoe County
AQI --
Archuleta County
AQI 1
Baca County
AQI --
Bent County
AQI --
Boulder County
AQI --
Broomfield County
AQI --
Chaffee County
AQI --
Cheyenne County
AQI --
Clear Creek County
AQI 2
Conejos County
AQI --
Costilla County
AQI --
Crowley County
AQI --
Custer County
AQI --
Delta County
AQI --
Denver County
AQI 2
Dolores County
AQI --
Douglas County
AQI --
Eagle County
AQI --
El Paso County
AQI --
Elbert County
AQI --
Fremont County
AQI --
Garfield County
AQI --
Gilpin County
AQI --
Grand County
AQI --
Gunnison County
AQI --
Hinsdale County
AQI --
Huerfano County
AQI --
Jackson County
AQI --
Jefferson County
AQI --
La Plata County
AQI 1
Lake County
AQI --
Larimer County
AQI 2
Las Animas County
AQI --
Lincoln County
AQI --
Logan County
AQI --
Mesa County
AQI --
Mineral County
AQI --
Moffat County
AQI --
Montezuma County
AQI --
Montrose County
AQI --
Morgan County
AQI --
Otero County
AQI --
Ouray County
AQI --
Park County
AQI --
Phillips County
AQI --
Pitkin County
AQI --
Prowers County
AQI --
Pueblo County
AQI --
Rio Blanco County
AQI --
Rio Grande County
AQI --
Routt County
AQI --
Saguache County
AQI --
San Juan County
AQI --
San Miguel County
AQI --
Sedgwick County
AQI --
Summit County
AQI --
Teller County
AQI --
Washington County
AQI --
Weld County
AQI 1
Yuma County
AQI --
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 1
Georgetown
AQI 2
Breckenridge
AQI --
Silverthorne
AQI --
Frisco
AQI --
Wildernest
AQI --
Bailey
AQI 2
Idaho Springs
AQI 2
Copper Mountain
AQI --
Black Hawk
AQI --
Winter Park
AQI 1