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Detailed Air Quality Summary for 09/02/15 (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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NREL Good 44 Ozone 52 PPB 8-hour 5 PM
Ft. Collins - Greeley
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FTCW Good 43 Ozone 51 PPB 8-hour 5 PM
Colorado Springs
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ACAD Good 42 Ozone 49 PPB 8-hour 5 PM
Grand Junction
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PAL Good 35 Ozone 41 PPB 8-hour 5 PM
Colorado River Valley
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RIFLO3 Good 34 Ozone 40 PPB 8-hour 5 PM
Four Corners
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CTZ Good 37 Ozone 44 PPB 8-hour 5 PM
Other
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ASPN Good 33 Ozone 39 PPB 8-hour 5 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
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LNGM Good 47 Particulate < 2.5 micrometers 11 µg/m3 24-hour 2 PM
Ft. Collins - Greeley
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FTCW Good 43 Ozone 51 PPB 8-hour 5 PM
Colorado Springs
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ACAD Good 42 Ozone 49 PPB 8-hour 5 PM
Grand Junction
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PAL Good 35 Ozone 41 PPB 8-hour 5 PM
Colorado River Valley
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RIFLO3 Good 34 Ozone 40 PPB 8-hour 5 PM
Four Corners
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CTZ Good 37 Ozone 44 PPB 8-hour 5 PM
Other
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ASPN Good 33 Ozone 39 PPB 8-hour 5 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Moderate 58 0.055 0.040 11 AM
Ft. Collins - Greeley DMA Good 43 0.044 0.033 11 AM

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