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Detailed Air Quality Summary for 04/08/26 (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 +]		 RFN Good 49 Ozone 53 PPB 8-hour 12 AM
Ft. Collins - Greeley
[expand +]		 FTCF Good 49 Particulate < 2.5 micrometers 8 µg/m3 24-hour 12 AM
Colorado Springs
[expand +]		 MAN Good 43 Ozone 46 PPB 8-hour 12 AM
Grand Junction
[expand +]		 PAL Good 41 Ozone 44 PPB 8-hour 12 AM
Pueblo
[expand +]		 PWES Good 39 Ozone 42 PPB 8-hour 12 AM
Colorado River Valley
[expand +]		 RIFL Good 13 Particulate < 2.5 micrometers 2 µg/m3 24-hour 12 AM
Four Corners
[expand +]		 CTZ Good 36 Ozone 39 PPB 8-hour 12 AM
Steamboat Springs
[expand +]		 SSMB Good 12 Particulate < 2.5 micrometers 2 µg/m3 24-hour 12 AM
Aspen
[expand +]		 ASPN Good 36 Ozone 39 PPB 8-hour 12 AM
Other
[expand +]		 LMB Good 32 Particulate < 2.5 micrometers 5 µg/m3 24-hour 12 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       Valid data unavailable      
Ft. Collins - Greeley       Valid data unavailable      
Colorado Springs       Valid data unavailable      
Grand Junction       Valid data unavailable      
Pueblo       Valid data unavailable      
Colorado River Valley       Valid data unavailable      
Four Corners       Valid data unavailable      
Steamboat Springs       Valid data unavailable      
Aspen       Valid data unavailable      

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