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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 06/14/26 (Yesterday)

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.

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
[expand +]		 LNGM Moderate 63 Particulate < 2.5 micrometers 15 µg/m3 24-hour 6 PM
Ft. Collins - Greeley
[expand +]		 GREH Moderate 62 Particulate < 2.5 micrometers 14 µg/m3 24-hour 11 AM
Colorado Springs
[expand +]		 MAN Good 40 Ozone 43 PPB 8-hour 1 AM
Grand Junction
[expand +]		 PAL Good 47 Ozone 51 PPB 8-hour 9 PM
Colorado River Valley
[expand +]		 RIFLO3 Good 42 Ozone 45 PPB 8-hour 6 PM
Four Corners
[expand +]		 CTZ Good 49 Ozone 53 PPB 8-hour 5 PM
Other
[expand +]		 LMB Good 35 Particulate < 10 micrometers 38 µg/m3 24-hour 2 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Good 48 0.049 0.045 1 PM

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