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Detailed Air Quality Summary for 07/24/14 (Today)

Air Quality Forecasts and Advisories & Colorado Smoke Outlook
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.
Current Air Quality

Current Hour:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver [+] RFN Good 39 Ozone 46 PPB 8-hour 12 PM
Ft. Collins - Greeley [+] FTCW Good 35 Ozone 41 PPB 8-hour 12 PM
Colorado Springs [+] MAN Good 36 Ozone 43 PPB 8-hour 12 PM
Grand Junction [+] PAL Good 35 Ozone 41 PPB 8-hour 12 PM
Colorado River Valley [+] RIFLO3 Good 19 Ozone 22 PPB 8-hour 12 PM
Four Corners [+] CTZ Good 37 Ozone 44 PPB 8-hour 12 PM
Other [+] DELT Good 38 Particulate < 2.5 micrometers 9 µg/m3 24-hour 12 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Moderate 56 0.053 0.045 12 PM

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver [+] CHAT Good 49 Particulate < 2.5 micrometers 12 µg/m3 24-hour 1 AM
Ft. Collins - Greeley [+] FTCW Good 36 Ozone 43 PPB 8-hour 1 AM
Colorado Springs [+] H24 Good 37 Sulfur Dioxide 26 PPB 1-hour 9 AM
Grand Junction [+] PAL Good 35 Ozone 41 PPB 8-hour 1 AM
Colorado River Valley [+] RIFLO3 Good 29 Ozone 34 PPB 8-hour 1 AM
Four Corners [+] CTZ Good 40 Ozone 47 PPB 8-hour 1 AM
Other [+] DELT Good 39 Particulate < 2.5 micrometers 9 µg/m3 24-hour 8 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Moderate 78 0.065 0.061 11 AM
Ft. Collins - Greeley DMA Poor 147 0.111 0.091 11 AM

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