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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 06/09/26 (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 +]		 BHWK Good 42 Ozone 45 PPB 8-hour 8 AM
Ft. Collins - Greeley
[expand +]		 GRET Good 34 Ozone 37 PPB 8-hour 8 AM
Colorado Springs
[expand +]		 MAN Good 36 Ozone 39 PPB 8-hour 8 AM
Grand Junction
[expand +]		 PAL Moderate 54 Ozone 56 PPB 8-hour 8 AM
Pueblo
[expand +]		 PWES Good 32 Ozone 35 PPB 8-hour 8 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 30 Ozone 32 PPB 8-hour 8 AM
Four Corners
[expand +]		 CTZ Good 34 Ozone 37 PPB 8-hour 8 AM
Steamboat Springs
[expand +]		 SSMB Good 23 Particulate < 2.5 micrometers 4 µg/m3 24-hour 8 AM
Aspen
[expand +]		 ASPN Good 37 Ozone 40 PPB 8-hour 8 AM
Other
[expand +]		 LMB Good 38 Particulate < 2.5 micrometers 6 µg/m3 24-hour 8 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
No valid VSI calculations found (12pm - 4pm)

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver METRO
[expand +]		 HLD Good 44 Ozone 47 PPB 8-hour 1 AM
Ft. Collins - Greeley
[expand +]		 FTC Good 43 Ozone 46 PPB 8-hour 1 AM
Colorado Springs
[expand +]		 MAN Good 41 Ozone 44 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Moderate 54 Ozone 56 PPB 8-hour 8 AM
Pueblo
[expand +]		 PWES Good 43 Ozone 46 PPB 8-hour 1 AM
Colorado River Valley
[expand +]		 RIFLO3 Good 39 Ozone 42 PPB 8-hour 1 AM
Four Corners
[expand +]		 CTZ Good 46 Ozone 50 PPB 8-hour 1 AM
Steamboat Springs
[expand +]		 SSMB Good 23 Particulate < 2.5 micrometers 4 µg/m3 24-hour 7 AM
Aspen
[expand +]		 ASPN Good 41 Ozone 44 PPB 8-hour 1 AM
Other
[expand +]		 LMB Good 40 Particulate < 2.5 micrometers 7 µg/m3 24-hour 4 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
No valid VSI calculations found (12pm - 4pm)

* 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