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Detailed Air Quality Summary for 04/23/14 (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 [+] NREL Good 48 Ozone 57 PPB 8-hour 11 PM
Ft. Collins - Greeley [+] FTCW Good 47 Ozone 55 PPB 8-hour 11 PM
Colorado Springs [+] MAN Good 45 Ozone 53 PPB 8-hour 11 PM
Grand Junction [+] PAL Good 48 Ozone 57 PPB 8-hour 11 PM
Colorado River Valley [+] RIFLO3 Good 47 Ozone 55 PPB 8-hour 11 PM
Four Corners [+] CTZ Good 45 Ozone 53 PPB 8-hour 11 PM
Other [+] ASPN Good 45 Ozone 53 PPB 8-hour 11 PM

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

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver       Valid data unavailable      
Ft. Collins - Greeley       Valid data unavailable      
Colorado Springs       Valid data unavailable      
Grand Junction       Valid data unavailable      
Colorado River Valley       Valid data unavailable      
Four Corners       Valid data unavailable      

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.

Colorado Department of Public Health & Environment/APCD/Technical Services Program
visit us at: http://www.colorado.gov/airquality - all data are preliminary