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Detailed Air Quality Summary for 10/25/13

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 74 Particulate < 2.5 micrometers 23 µg/m3 24-hour 7 AM
Ft. Collins - Greeley [+] FTCF Moderate 51 Particulate < 2.5 micrometers 12 µg/m3 24-hour 10 AM
Colorado Springs [+] CCOL Good 39 Particulate < 2.5 micrometers 9 µg/m3 24-hour 8 PM
Grand Junction [+] PAL Good 36 Ozone 43 PPB 8-hour 8 PM
Colorado River Valley [+] RIFL Moderate 62 Particulate < 2.5 micrometers 17 µg/m3 24-hour 11 PM
Four Corners [+] CTZ Good 33 Ozone 39 PPB 8-hour 6 PM
Other [+] LAY Good 41 Ozone 48 PPB 8-hour 7 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
No valid VSI calculations found (12pm - 4pm)

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