Detailed Air Quality Summary for 10/10/18

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.

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
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BOU Good 32 Particulate < 2.5 micrometers 8 µg/m3 24-hour 1 PM
Ft. Collins - Greeley
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FTCW Good 20 Ozone 22 PPB 8-hour 6 PM
Colorado Springs
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ACAD Good 19 Ozone 20 PPB 8-hour 5 PM
Grand Junction
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PAL Good 43 Ozone 46 PPB 8-hour 3 PM
Colorado River Valley
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RIFLO3 Good 42 Ozone 45 PPB 8-hour 2 PM
Four Corners       Valid data unavailable      
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PDX Good 43 Ozone 46 PPB 8-hour 2 PM

Area Site Visibility Max VSI 4-hour Average
Beta Extinction
Time *
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.