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Detailed Air Quality Summary for 06/14/21 (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 METRO
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BOU Moderate 52 Particulate < 2.5 micrometers 13 µg/m3 24-hour 12 PM
Ft. Collins - Greeley
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GRET Good 46 Ozone 50 PPB 8-hour 12 PM
Colorado Springs
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MAN Good 48 Ozone 52 PPB 8-hour 12 PM
Grand Junction
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PAL Good 31 Ozone 34 PPB 8-hour 12 PM
Colorado River Valley
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RIFLO3 Good 28 Ozone 30 PPB 8-hour 12 PM
Four Corners       Valid data unavailable      
Other
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ASPN Good 31 Ozone 34 PPB 8-hour 12 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Moderate 76 0.063 0.062 12 PM

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver METRO
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HLD Moderate 61 Ozone 58 PPB 8-hour 3 AM
Ft. Collins - Greeley
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GREH Moderate 53 Particulate < 2.5 micrometers 13 µg/m3 24-hour 1 AM
Colorado Springs
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ACAD Good 49 Ozone 53 PPB 8-hour 1 AM
Grand Junction
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PAL Good 34 Ozone 37 PPB 8-hour 1 AM
Colorado River Valley
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RIFLO3 Good 29 Ozone 31 PPB 8-hour 1 AM
Four Corners       Valid data unavailable      
Other
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ASPN Good 32 Ozone 35 PPB 8-hour 1 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Moderate 79 0.065 0.064 11 AM

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