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Detailed Air Quality Summary for 01/23/17

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 +]		 ADM Moderate 65 Particulate < 10 micrometers 83 µg/m3 24-hour 8 PM
Ft. Collins - Greeley
[expand +]		 FTCW Good 34 Ozone 37 PPB 8-hour 4 PM
Colorado Springs
[expand +]		 MAN Good 40 Ozone 43 PPB 8-hour 7 PM
Grand Junction
[expand +]		 PAL Good 43 Ozone 46 PPB 8-hour 9 PM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Good 33 Ozone 36 PPB 8-hour 2 AM
Four Corners
[expand +]		 CTZ Good 37 Ozone 40 PPB 8-hour 12 AM
Other
[expand +]		 ELK Good 47 Ozone 51 PPB 8-hour 12 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Moderate 96 0.073 0.030 12 PM
Ft. Collins - Greeley DMA Moderate 55 0.053 0.027 12 PM

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