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Detailed Air Quality Summary for 06/24/17 (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 [+] CHAT Moderate 87 Ozone 66 PPB 8-hour 10:00 PM
Ft. Collins - Greeley [+] FTCW Moderate 61 Ozone 58 PPB 8-hour 10:00 PM
Colorado Springs [+] ACAD Good 47 Ozone 51 PPB 8-hour 10:00 PM
Grand Junction [+] PAL Moderate 58 Ozone 57 PPB 8-hour 10:00 PM
Colorado River Valley [+] RIFLO3 Good 44 Ozone 48 PPB 8-hour 10:00 PM
Four Corners [+] CTZ Moderate 61 Ozone 58 PPB 8-hour 10:00 PM
Other [+] ASPN Moderate 74 Ozone 62 PPB 8-hour 10:00 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
[expand +]
CHAT Unhealthy for Sensitive Groups 101 Ozone 71 PPB 8-hour 7 PM
Ft. Collins - Greeley
[expand +]
FTCW Moderate 71 Ozone 61 PPB 8-hour 8 PM
Colorado Springs
[expand +]
ACAD Good 48 Ozone 52 PPB 8-hour 6 PM
Grand Junction
[expand +]
PAL Moderate 71 Ozone 61 PPB 8-hour 5 PM
Colorado River Valley
[expand +]
RIFLO3 Moderate 54 Ozone 56 PPB 8-hour 6 PM
Four Corners
[expand +]
CTZ Moderate 67 Ozone 60 PPB 8-hour 8 PM
Other
[expand +]
ASPN Moderate 84 Ozone 65 PPB 8-hour 7 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Poor 161 0.121 0.120 12 PM

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