Air Quality Alert For Jefferson And Shelby Counties 3/11/25

The Jefferson County Department of Health issued a Code Red Air Quality Alert for PM2.5 levels for Tuesday, March 11, warning residents of potential health risks.

PM2.5 levels for the day are forecasted to be 153.

Surface high pressure is expected to keep skies clear throughout the day, with temperatures rising into the 70s. Winds will shift from the northwest to the southwest at 5-10 mph.

The health department said smoke from a large prescribed burn northwest of the area on Monday moved into the region and is expected to be trapped under an overnight inversion. PM2.5 concentrations have already increased significantly and are anticipated to remain high until the inversion breaks mid-morning.

The department stated, “PM2.5 is expected to be in the red range, which triggers an Air Quality Alert.” An Air Quality Alert is issued when the Air Quality Index (AQI) is forecast to reach 101 or higher.

The public is encouraged to reduce personal emissions on days with elevated pollution levels. The alert indicates that some members of the general public may experience health effects, while members of sensitive groups could face more serious health issues.

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