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Detailed Air Quality Summary for 02/19/13

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 Good 43 Nitrogen Dioxide 46 PPB 1-hour 3 AM
Ft. Collins - Greeley
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FTCR Good 33 Ozone 39 PPB 8-hour 7 PM
Colorado Springs
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CCOL Good 33 Particulate < 2.5 micrometers 8 µg/m3 24-hour 7 PM
Grand Junction
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PAL Good 32 Ozone 38 PPB 8-hour 8 PM
Colorado River Valley
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RIFL Good 40 Particulate < 2.5 micrometers 10 µg/m3 24-hour 12 AM
Four Corners
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CTZ Good 37 Ozone 44 PPB 8-hour 5 PM
Other
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LAY Good 36 Ozone 42 PPB 8-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Ft. Collins - Greeley DMA Ext Poor 204 0.173 0.145 12 PM

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