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Detailed Air Quality Summary for 01/23/22 (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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I25GLO Good 46 Particulate < 2.5 micrometers 11 µg/m3 24-hour 9 AM
Ft. Collins - Greeley
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FTCF Good 38 Particulate < 2.5 micrometers 9 µg/m3 24-hour 9 AM
Colorado Springs
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MAN Good 38 Ozone 41 PPB 8-hour 9 AM
Grand Junction
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GJPB Good 33 Particulate < 2.5 micrometers 8 µg/m3 24-hour 9 AM
Colorado River Valley
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RIFL Good 18 Particulate < 2.5 micrometers 4 µg/m3 24-hour 9 AM
Four Corners
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CTZ Good 19 Ozone 21 PPB 8-hour 9 AM
Other
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ASPN Good 39 Ozone 42 PPB 8-hour 9 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 METRO
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CAMP Moderate 52 Particulate < 2.5 micrometers 13 µg/m3 24-hour 1 AM
Ft. Collins - Greeley
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GREH Good 38 Particulate < 2.5 micrometers 9 µg/m3 24-hour 4 AM
Colorado Springs
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MAN Good 38 Ozone 41 PPB 8-hour 9 AM
Grand Junction
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GJPB Good 37 Particulate < 2.5 micrometers 9 µg/m3 24-hour 1 AM
Colorado River Valley
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RIFL Good 20 Particulate < 2.5 micrometers 5 µg/m3 24-hour 4 AM
Four Corners
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CTZ Good 22 Ozone 24 PPB 8-hour 6 AM
Other
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ASPN Good 40 Ozone 43 PPB 8-hour 6 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.