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 08/09/18

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 METRO
[expand +]		 NREL Unhealthy for Sensitive Groups 115 Ozone 75 PPB 8-hour 6 PM
Ft. Collins - Greeley
[expand +]		 FTCW Unhealthy for Sensitive Groups 112 Ozone 74 PPB 8-hour 6 PM
Colorado Springs
[expand +]		 ACAD Moderate 97 Ozone 69 PPB 8-hour 6 PM
Grand Junction
[expand +]		 PAL Moderate 80 Ozone 64 PPB 8-hour 6 PM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Moderate 58 Ozone 57 PPB 8-hour 6 PM
Four Corners
[expand +]		 CTZ Moderate 64 Ozone 59 PPB 8-hour 6 PM
Steamboat Springs       Valid data unavailable      
Other
[expand +]		 ASPN Moderate 71 Ozone 61 PPB 8-hour 6 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 111 0.084 0.067 11 AM

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