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Detailed Air Quality Summary for 10/23/14 (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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WBY Good 31 Nitrogen Dioxide 33 PPB 1-hour 7 AM
Ft. Collins - Greeley
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FTCW Good 26 Ozone 31 PPB 8-hour 7 AM
Colorado Springs
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MAN Good 28 Ozone 33 PPB 8-hour 7 AM
Grand Junction
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GJPB Good 18 Particulate < 2.5 micrometers 4 µg/m3 24-hour 7 AM
Colorado River Valley
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RIFL Good 19 Particulate < 10 micrometers 20 µg/m3 24-hour 7 AM
Four Corners
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CTZ Good 13 Ozone 15 PPB 8-hour 7 AM
Other
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DELT Good 37 Particulate < 2.5 micrometers 9 µg/m3 24-hour 7 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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CAMP Good 36 Nitrogen Dioxide 38 PPB 1-hour 1 AM
Ft. Collins - Greeley
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FTCW Good 31 Ozone 36 PPB 8-hour 5 AM
Colorado Springs
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MAN Good 28 Ozone 33 PPB 8-hour 4 AM
Grand Junction
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PAL Good 25 Ozone 30 PPB 8-hour 1 AM
Colorado River Valley
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RIFL Good 19 Particulate < 10 micrometers 20 µg/m3 24-hour 6 AM
Four Corners
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CTZ Good 19 Ozone 23 PPB 8-hour 1 AM
Other
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DELT Good 37 Particulate < 2.5 micrometers 9 µg/m3 24-hour 7 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.