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Detailed Air Quality Summary for 11/04/24 (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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EVG Good 34 Ozone 37 PPB 8-hour 5 PM
Ft. Collins - Greeley
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FOS Good 36 Ozone 39 PPB 8-hour 5 PM
Colorado Springs
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MAN Good 31 Ozone 34 PPB 8-hour 5 PM
Grand Junction
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PAL Good 32 Ozone 35 PPB 8-hour 5 PM
Pueblo
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PWES Good 28 Ozone 30 PPB 8-hour 5 PM
Colorado River Valley
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RIFLO3 Good 29 Ozone 31 PPB 8-hour 5 PM
Four Corners
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CTZ Good 31 Ozone 34 PPB 8-hour 5 PM
Other
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ASPN Good 29 Ozone 31 PPB 8-hour 5 PM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)

Daily Highs:

Area Site Air Quality Max AQI Pollutant Conc. Period Time *
(MST)
Denver METRO
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EVG Good 39 Ozone 42 PPB 8-hour 1 AM
Ft. Collins - Greeley
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FOS Good 40 Ozone 43 PPB 8-hour 1 AM
Colorado Springs
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MAN Good 35 Ozone 38 PPB 8-hour 1 AM
Grand Junction
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PAL Good 36 Ozone 39 PPB 8-hour 1 AM
Pueblo
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PWES Good 32 Ozone 35 PPB 8-hour 3 AM
Colorado River Valley
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RIFLO3 Good 30 Ozone 32 PPB 8-hour 5 AM
Four Corners
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CTZ Good 31 Ozone 33 PPB 8-hour 4 PM
Other
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ASPN Good 31 Ozone 33 PPB 8-hour 5 AM

Area Site Visibility Max VSI 4-hour Average
(1/km)
Beta Extinction
(1/km)
Time *
(MST)
Denver DES Good 33 0.036 0.038 4 PM

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

AQI health statements
Site information and abbreviations