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Detailed Air Quality Summary for 08/31/15

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
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LNGM Moderate 55 Particulate < 2.5 micrometers 14 µg/m3 24-hour 1 AM
Ft. Collins - Greeley
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GREH Moderate 58 Particulate < 2.5 micrometers 15 µg/m3 24-hour 1 AM
Colorado Springs
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CCOL Moderate 62 Particulate < 2.5 micrometers 17 µg/m3 24-hour 1 AM
Grand Junction
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PAL Good 36 Ozone 42 PPB 8-hour 8 PM
Pueblo       Valid data unavailable      
Colorado River Valley
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RIFLO3 Good 32 Ozone 38 PPB 8-hour 8 PM
Four Corners
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CTZ Good 37 Ozone 44 PPB 8-hour 6 PM
Other
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DELT Good 32 Particulate < 2.5 micrometers 8 µg/m3 24-hour 11 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Ext Poor 203 0.169 0.145 3 PM
Ft. Collins - Greeley DMA Good 47 0.048 0.036 11 AM

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