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Detailed Air Quality Summary for 03/04/15

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 +]		 I25DEN Moderate 53 Particulate < 2.5 micrometers 13 µg/m3 24-hour 1 AM
Ft. Collins - Greeley
[expand +]		 GRET Good 42 Ozone 49 PPB 8-hour 7 PM
Colorado Springs
[expand +]		 MAN Good 32 Ozone 38 PPB 8-hour 7 PM
Grand Junction
[expand +]		 PAL Good 39 Ozone 46 PPB 8-hour 7 PM
Pueblo       Valid data unavailable      
Colorado River Valley       Valid data unavailable      
Four Corners
[expand +]		 CTZ Good 37 Ozone 44 PPB 8-hour 6 PM
Other
[expand +]		 ASPN Good 38 Ozone 45 PPB 8-hour 4 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
 Beta Extinction
(1/km)
 Time *
(MST)
Denver DES Poor 146 0.110 0.092 2 PM
Ft. Collins - Greeley DMA Ext Poor 267 0.720 0.471 3 PM

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