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Detailed Air Quality Summary for 06/22/17 (Today)

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 Hour:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver [+] RFN Good 48 Ozone 52 PPB 8-hour 9:00 AM
Ft. Collins - Greeley [+] FTCW Good 41 Ozone 44 PPB 8-hour 9:00 AM
Colorado Springs [+] MAN Good 43 Ozone 46 PPB 8-hour 9:00 AM
Grand Junction [+] PAL Good 33 Ozone 36 PPB 8-hour 9:00 AM
Colorado River Valley [+] RIFLO3 Good 26 Ozone 28 PPB 8-hour 9:00 AM
Four Corners [+] CTZ Good 24 Ozone 26 PPB 8-hour 9:00 AM
Other [+] ELK Good 42 Ozone 45 PPB 8-hour 9:00 AM

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
[expand +]
I25GLO Good 50 Nitrogen Dioxide 53 PPB 1-hour 8 AM
Ft. Collins - Greeley
[expand +]
FTCW Good 49 Ozone 53 PPB 8-hour 1 AM
Colorado Springs
[expand +]
MAN Good 44 Ozone 48 PPB 8-hour 1 AM
Grand Junction
[expand +]
PAL Good 46 Ozone 50 PPB 8-hour 1 AM
Colorado River Valley
[expand +]
RIFLO3 Good 34 Ozone 37 PPB 8-hour 1 AM
Four Corners
[expand +]
CTZ Good 34 Ozone 37 PPB 8-hour 1 AM
Other
[expand +]
ELK Good 45 Ozone 49 PPB 8-hour 1 AM

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.