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Detailed Air Quality Summary for 10/25/14 (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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I-25 Good 40 Particulate < 10 micrometers 43 µg/m3 24-hour 11 AM
Ft. Collins - Greeley
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FTCF Good 33 Particulate < 2.5 micrometers 8 µg/m3 24-hour 11 AM
Colorado Springs
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MAN Good 26 Ozone 31 PPB 8-hour 11 AM
Grand Junction
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GJPB Good 23 Particulate < 2.5 micrometers 6 µg/m3 24-hour 11 AM
Colorado River Valley
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RIFL Moderate 59 Particulate < 2.5 micrometers 16 µg/m3 24-hour 11 AM
Four Corners
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CTZ Good 17 Ozone 20 PPB 8-hour 11 AM
Other
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DELT Good 21 Particulate < 2.5 micrometers 5 µg/m3 24-hour 11 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
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I-25 Good 50 Particulate < 10 micrometers 54 µg/m3 24-hour 7 AM
Ft. Collins - Greeley
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FTCF Good 35 Particulate < 2.5 micrometers 8 µg/m3 24-hour 7 AM
Colorado Springs
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MAN Good 27 Ozone 32 PPB 8-hour 7 AM
Grand Junction
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GJPB Good 25 Particulate < 2.5 micrometers 6 µg/m3 24-hour 1 AM
Colorado River Valley
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RIFL Moderate 59 Particulate < 2.5 micrometers 16 µg/m3 24-hour 11 AM
Four Corners
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CTZ Good 18 Ozone 21 PPB 8-hour 1 AM
Other
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LAY Good 26 Ozone 31 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.