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Banner with Colorado and CDPHE logos on left with text on right reading Colorado Air Quality with Department of Public Health and Environment on the next line.

Detailed Air Quality Summary for 11/22/24 (Today)

Air Quality Forecasts and Advisories & Colorado Smoke Outlook
Learn more about monitoring sites: site descriptions and
real-time monitoring map

All data are collected real-time and have not been corrected nor validated.		 Current Air Quality

Current Hour:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver METRO
[expand +]		 ADB Moderate 89 Particulate < 10 micrometers 131 µg/m3 24-hour 7 PM
Ft. Collins - Greeley
[expand +]		 GREH Moderate 76 Particulate < 2.5 micrometers 22 µg/m3 24-hour 7 PM
Colorado Springs
[expand +]		 MAN Good 37 Ozone 40 PPB 8-hour 7 PM
Grand Junction
[expand +]		 GJPB Moderate 57 Particulate < 2.5 micrometers 12 µg/m3 24-hour 7 PM
Pueblo
[expand +]		 PWES Good 35 Ozone 38 PPB 8-hour 7 PM
Colorado River Valley
[expand +]		 RIFL Good 26 Particulate < 2.5 micrometers 5 µg/m3 24-hour 7 PM
Four Corners
[expand +]		 CTZ Good 34 Ozone 37 PPB 8-hour 7 PM
Other
[expand +]		 ALA Moderate 55 Particulate < 2.5 micrometers 11 µg/m3 24-hour 7 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver METRO
[expand +]		 ADB Moderate 89 Particulate < 10 micrometers 131 µg/m3 24-hour 7 PM
Ft. Collins - Greeley
[expand +]		 GREH Moderate 76 Particulate < 2.5 micrometers 22 µg/m3 24-hour 7 PM
Colorado Springs
[expand +]		 MAN Good 41 Ozone 44 PPB 8-hour 6 AM
Grand Junction
[expand +]		 GJPB Moderate 57 Particulate < 2.5 micrometers 12 µg/m3 24-hour 7 PM
Pueblo
[expand +]		 PWES Good 40 Ozone 43 PPB 8-hour 3 PM
Colorado River Valley
[expand +]		 RIFL Good 26 Particulate < 2.5 micrometers 5 µg/m3 24-hour 5 PM
Four Corners
[expand +]		 CTZ Good 40 Ozone 43 PPB 8-hour 5 PM
Other
[expand +]		 ALA Moderate 55 Particulate < 2.5 micrometers 11 µg/m3 24-hour 7 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 107 0.081 0.083 4 PM

* All data are reported in Mountain Standard Time (MST). During daylight savings time add one hour to the reported hour.

AQI health statements
Site information and abbreviations