Colorado
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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 07/26/24 (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 +]		 CHAT Unhealthy for Sensitive Groups 136 Ozone 81 PPB 8-hour 11 PM
Ft. Collins - Greeley
[expand +]		 FTCW Moderate 93 Ozone 68 PPB 8-hour 11 PM
Colorado Springs
[expand +]		 MAN Unhealthy for Sensitive Groups 118 Ozone 76 PPB 8-hour 11 PM
Grand Junction
[expand +]		 PAL Moderate 67 Ozone 60 PPB 8-hour 11 PM
Pueblo
[expand +]		 PWES Moderate 90 Ozone 67 PPB 8-hour 11 PM
Colorado River Valley
[expand +]		 RIFL Moderate 59 Particulate < 2.5 micrometers 13 µg/m3 24-hour 11 PM
Four Corners
[expand +]		 CTZ Moderate 51 Ozone 55 PPB 8-hour 11 PM
Other
[expand +]		 LMB Unhealthy for Sensitive Groups 101 Particulate < 2.5 micrometers 36 µg/m3 24-hour 11 PM

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      

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