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Detailed Air Quality Summary for 05/24/17 (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 [+] HLD Good 42 Ozone 45 PPB 8-hour 12:00 PM
Ft. Collins - Greeley [+] FTCW Good 33 Ozone 36 PPB 8-hour 12:00 PM
Colorado Springs [+] MAN Good 35 Ozone 38 PPB 8-hour 12:00 PM
Grand Junction [+] PAL Good 33 Ozone 36 PPB 8-hour 12:00 PM
Colorado River Valley [+] RIFLO3 Good 31 Ozone 33 PPB 8-hour 12:00 PM
Four Corners [+] CTZ Good 25 Ozone 27 PPB 8-hour 12:00 PM
Other [+] ELK Good 37 Ozone 40 PPB 8-hour 12:00 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Good 27 0.032 0.023 12:00 PM

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
[expand +]
I25GLO Good 44 Nitrogen Dioxide 47 PPB 1-hour 10 AM
Ft. Collins - Greeley
[expand +]
FTCW Good 41 Ozone 44 PPB 8-hour 1 AM
Colorado Springs
[expand +]
MAN Good 43 Ozone 46 PPB 8-hour 1 AM
Grand Junction
[expand +]
PAL Good 44 Ozone 48 PPB 8-hour 1 AM
Colorado River Valley
[expand +]
RIFLO3 Good 35 Ozone 38 PPB 8-hour 1 AM
Four Corners
[expand +]
CTZ Good 31 Ozone 34 PPB 8-hour 1 AM
Other
[expand +]
ASPN Good 48 Ozone 52 PPB 8-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Good 36 0.039 0.025 11 AM

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