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Detailed Air Quality Summary for 11/22/17 (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 [+] ADM Good 35 Particulate < 2.5 micrometers 8 µg/m3 24-hour 2:00 AM
Ft. Collins - Greeley [+] GREH Good 34 Particulate < 2.5 micrometers 8 µg/m3 24-hour 2:00 AM
Colorado Springs [+] MAN Good 14 Ozone 15 PPB 8-hour 2:00 AM
Grand Junction [+] GJPB Good 34 Particulate < 2.5 micrometers 8 µg/m3 24-hour 2:00 AM
Colorado River Valley [+] RIFL Good 28 Particulate < 2.5 micrometers 7 µg/m3 24-hour 2:00 AM
Four Corners [+] CTZ Good 22 Ozone 24 PPB 8-hour 2:00 AM
Other [+] DELT Moderate 52 Particulate < 2.5 micrometers 12 µg/m3 24-hour 2:00 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 +]
LNGM Good 35 Particulate < 2.5 micrometers 8 µg/m3 24-hour 1 AM
Ft. Collins - Greeley
[expand +]
GREH Good 34 Particulate < 2.5 micrometers 8 µg/m3 24-hour 2 AM
Colorado Springs
[expand +]
MAN Good 15 Ozone 16 PPB 8-hour 1 AM
Grand Junction
[expand +]
GJPB Good 37 Particulate < 2.5 micrometers 9 µg/m3 24-hour 1 AM
Colorado River Valley
[expand +]
RIFL Good 28 Particulate < 2.5 micrometers 7 µg/m3 24-hour 1 AM
Four Corners
[expand +]
CTZ Good 22 Ozone 24 PPB 8-hour 1 AM
Other
[expand +]
DELT Moderate 52 Particulate < 2.5 micrometers 13 µg/m3 24-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.