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Detailed Air Quality Summary for 01/17/13

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 [+] CAMP Moderate 56 Nitrogen Dioxide 59 PPB 1-hour 8 PM
Ft. Collins - Greeley [+] FTCR Good 31 Ozone 36 PPB 8-hour 2 PM
Colorado Springs [+] H24 Good 41 Sulfur Dioxide 29 PPB 1-hour 12 PM
Grand Junction [+] GJPB Moderate 84 Particulate < 2.5 micrometers 29 µg/m3 24-hour 11 PM
Colorado River Valley [+] RIFL Moderate 68 Particulate < 2.5 micrometers 20 µg/m3 24-hour 1 AM
Four Corners [+] CTZ Good 29 Ozone 34 PPB 8-hour 5 PM
Other [+] LAY Good 36 Ozone 42 PPB 8-hour 9 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Ft. Collins - Greeley DMA Ext Poor 204 0.174 0.149 12 PM

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