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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 08/07/26 (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 +]		 NREL Unhealthy for Sensitive Groups 108 Ozone 73 PPB 8-hour 2 PM
Ft. Collins - Greeley
[expand +]		 FTCF Moderate 81 Particulate < 2.5 micrometers 25 µg/m3 24-hour 2 PM
Colorado Springs
[expand +]		 MAN Moderate 97 Ozone 69 PPB 8-hour 2 PM
Grand Junction
[expand +]		 PAL Moderate 58 Ozone 57 PPB 8-hour 2 PM
Pueblo
[expand +]		 PWES Moderate 74 Ozone 62 PPB 8-hour 2 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 45 Ozone 49 PPB 8-hour 2 PM
Four Corners
[expand +]		 PAG Moderate 94 Particulate < 2.5 micrometers 32 µg/m3 24-hour 2 PM
Steamboat Springs
[expand +]		 SSMB Moderate 71 Particulate < 2.5 micrometers 20 µg/m3 24-hour 2 PM
Aspen
[expand +]		 ASPN2 Moderate 60 Particulate < 2.5 micrometers 13 µg/m3 24-hour 2 PM
Other
[expand +]		 DELT Moderate 84 Particulate < 2.5 micrometers 27 µg/m3 24-hour 2 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 +]		 NREL Unhealthy for Sensitive Groups 108 Ozone 73 PPB 8-hour 2 PM
Ft. Collins - Greeley
[expand +]		 PMS Moderate 82 Particulate < 2.5 micrometers 25 µg/m3 24-hour 11 AM
Colorado Springs
[expand +]		 MAN Moderate 97 Ozone 69 PPB 8-hour 2 PM
Grand Junction
[expand +]		 PAL Moderate 67 Ozone 60 PPB 8-hour 1 AM
Pueblo
[expand +]		 PWES Moderate 74 Ozone 62 PPB 8-hour 2 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 45 Ozone 49 PPB 8-hour 2 PM
Four Corners
[expand +]		 PAG Moderate 96 Particulate < 2.5 micrometers 33 µg/m3 24-hour 11 AM
Steamboat Springs
[expand +]		 SSMB Moderate 71 Particulate < 2.5 micrometers 19 µg/m3 24-hour 1 AM
Aspen
[expand +]		 ASPN2 Moderate 60 Particulate < 2.5 micrometers 13 µg/m3 24-hour 1 AM
Other
[expand +]		 DELT Moderate 84 Particulate < 2.5 micrometers 26 µg/m3 24-hour 1 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 184 0.138 0.140 1 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