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Detailed Air Quality Summary for 12/17/14

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 +]		 I25DEN Moderate 84 Particulate < 2.5 micrometers 28 µg/m3 24-hour 12 AM
Ft. Collins - Greeley
[expand +]		 FTCF Moderate 62 Particulate < 2.5 micrometers 17 µg/m3 24-hour 12 AM
Colorado Springs
[expand +]		 MAN Good 29 Ozone 34 PPB 8-hour 2 PM
Grand Junction
[expand +]		 GJPB Good 46 Particulate < 2.5 micrometers 11 µg/m3 24-hour 6 PM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Good 6 Ozone 7 PPB 8-hour 11 AM
Four Corners
[expand +]		 CTZ Good 24 Ozone 28 PPB 8-hour 7 PM
Other
[expand +]		 DELT Good 41 Particulate < 2.5 micrometers 10 µg/m3 24-hour 10 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Ext Poor 214 0.260 0.195 2 PM
Ft. Collins - Greeley DMA Poor 189 0.142 0.112 2 PM

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