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Detailed Air Quality Summary for 11/20/12

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
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CAMP Moderate 55 Nitrogen Dioxide 58 PPB 1-hour 6 PM
Ft. Collins - Greeley
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FTCR Good 34 Ozone 40 PPB 8-hour 3 PM
Colorado Springs
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MAN Good 36 Ozone 42 PPB 8-hour 4 PM
Grand Junction
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GJPB Good 26 Particulate < 2.5 micrometers 8 µg/m3 24-hour 2 AM
Colorado River Valley
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RIFL Good 31 Particulate < 2.5 micrometers 10 µg/m3 24-hour 7 PM
Four Corners
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CTZ Good 29 Ozone 34 PPB 8-hour 5 PM
Other
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LAY Good 34 Ozone 40 PPB 8-hour 10 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Ft. Collins - Greeley DMA Ext Poor 201 0.152 0.142 12 PM

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