Translate

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 Moderate 58 Particulate < 2.5 micrometers 15 µg/m3 24-hour 10:00 PM
Ft. Collins - Greeley [+] GREH Moderate 53 Particulate < 2.5 micrometers 13 µg/m3 24-hour 10:00 PM
Colorado Springs [+] MAN Good 27 Ozone 29 PPB 8-hour 10:00 PM
Grand Junction [+] GJPB Good 26 Particulate < 2.5 micrometers 6 µg/m3 24-hour 10:00 PM
Colorado River Valley [+] RIFL Good 22 Particulate < 2.5 micrometers 5 µg/m3 24-hour 10:00 PM
Four Corners       Valid data unavailable      
Other [+] DELT Good 40 Particulate < 2.5 micrometers 10 µg/m3 24-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 +]
ADM Moderate 61 Particulate < 2.5 micrometers 17 µg/m3 24-hour 5 PM
Ft. Collins - Greeley
[expand +]
GREH Moderate 55 Particulate < 2.5 micrometers 14 µg/m3 24-hour 2 PM
Colorado Springs
[expand +]
MAN Good 34 Ozone 37 PPB 8-hour 4 PM
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)
Denver DES Moderate 59 0.055 0.052 12 PM

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