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Detailed Air Quality Summary for 01/31/15

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 +]		 CAMP Moderate 62 Particulate < 2.5 micrometers 17 µg/m3 24-hour 1 AM
Ft. Collins - Greeley
[expand +]		 FTCF Good 33 Particulate < 2.5 micrometers 8 µg/m3 24-hour 3 AM
Colorado Springs
[expand +]		 MAN Good 25 Ozone 29 PPB 8-hour 1 AM
Grand Junction
[expand +]		 GJPB Good 39 Particulate < 2.5 micrometers 9 µg/m3 24-hour 2 AM
Pueblo       Valid data unavailable      
Colorado River Valley
[expand +]		 RIFLO3 Good 22 Ozone 26 PPB 8-hour 9 PM
Four Corners
[expand +]		 CTZ Good 21 Ozone 25 PPB 8-hour 1 AM
Other
[expand +]		 DELT Good 45 Particulate < 2.5 micrometers 11 µg/m3 24-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 107 0.081 0.088 1 PM
Ft. Collins - Greeley DMA Good 36 0.039 0.031 12 PM

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