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Detailed Air Quality Summary for 07/31/16 (Today)

Air Quality Forecasts and Advisories & Colorado Smoke Outlook
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 Air Quality

Current Hour:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
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RFN Moderate 67 Ozone 60 PPB 8-hour 1 AM
Ft. Collins - Greeley
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GREH Good 47 Particulate < 2.5 micrometers 11 µg/m3 24-hour 1 AM
Colorado Springs
[expand +]
MAN Good 47 Ozone 51 PPB 8-hour 1 AM
Grand Junction
[expand +]
PAL Good 46 Ozone 50 PPB 8-hour 1 AM
Colorado River Valley
[expand +]
RIFLO3 Good 35 Ozone 38 PPB 8-hour 1 AM
Four Corners
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CTZ Good 43 Ozone 46 PPB 8-hour 1 AM
Other
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ELK Good 43 Ozone 46 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)

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver
[expand +]
RFN Moderate 67 Ozone 60 PPB 8-hour 1 AM
Ft. Collins - Greeley
[expand +]
GREH Good 47 Particulate < 2.5 micrometers 11 µg/m3 24-hour 1 AM
Colorado Springs
[expand +]
MAN Good 47 Ozone 51 PPB 8-hour 1 AM
Grand Junction
[expand +]
PAL Good 46 Ozone 50 PPB 8-hour 1 AM
Colorado River Valley
[expand +]
RIFLO3 Good 35 Ozone 38 PPB 8-hour 1 AM
Four Corners
[expand +]
CTZ Good 43 Ozone 46 PPB 8-hour 1 AM
Other
[expand +]
ELK Good 43 Ozone 46 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.