Colorado Air Quality Summary

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Air Quality Advisories Front Range: No advisories at this time. (click for more...) Other Areas: Air Quality Health Advisory for Wildfire Smoke Issued for Grand and southwestern parts of Larimer counties Issued at 9:00 AM MDT, Wednesday, October 28, 2020 Issued by the Colorado Department of Public Health and Environment Affected Area: Grand and southwestern parts of Larimer Counties. Locations include, but are not limited to Grand Lake, Granby, Hot Sulphur Springs, Parshall, and Estes Park. Advisory in Effect: 9:00 AM MDT, Wednesday, October 28, 2020 to 4:00 PM MDT, Wednesday, October 28, 2020. Public Health Recommendations: If smoke is thick or becomes thick in your neighborhood you may want to remain indoors. This is especially true for those with heart disease, respiratory illnesses, the very young, and the elderly. Consider limiting outdoor activity when moderate to heavy smoke is present. Consider relocating (click for more...)

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Current - Air Quality Summary

Denver's current visibility: Ft. Collins' current visibility: (VSI is calculated between 12PM and 4PM local time)

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Forecast - Air Quality Summary

Wednesday Ozone Fine Particulates Carbon Monoxide Nitrogen Dioxide    Denver - Boulder     Colorado Springs     Ft. Collins     Greeley     Grand Junction     Colorado River Valley     Four Corners Area  Thursday Ozone Fine Particulates Carbon Monoxide Nitrogen Dioxide    Denver - Boulder     Colorado Springs     Ft. Collins     Greeley     Grand Junction     Colorado River Valley     Four Corners Area  Denver's expected visibility (Wednesday): Denver's expected visibility (Thursday):