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Forecast: Mostly clear, comfortable; Air Quality Alert remains in effect
An Illinois “Air Pollution Action Day” is declared when weather conditions are such that widespread ozone and or particulate levels are expected to be at or above the Unhealthy for Sensitive Groups (UGS) category of the Air Quality Index for all or almost all of Illinois.
Smoke has continued to cloud Illinois' air for a second straight day, but the poor air quality isn't because of a fire in the ...
Illinois, Michigan, Wisconsin and Minnesota are under air quality alerts for unhealthy conditions as Canadian wildfire smoke ...
Saturday offers generous sunshine mixed with puffy fair weather clouds, comfortable temperatures and low humidity. An Air ...
"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...
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