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Air quality alert in effect due to wildfire smoke
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 (USG) category of the Air Quality Index for all or almost all of Illinois.
Afternoon Briefing: Air quality alerts issued across Illinois
Good afternoon, Chicago. Air quality alerts issued today in Illinois because of Canadian wildfire smoke marked the latest bout in an increasingly common summer occurrence. The alert covers 34 Illinois counties designated as having unhealthy air for all residents.
National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.
Illinois, Michigan, Wisconsin and Minnesota are under air quality alerts for unhealthy conditions as Canadian wildfire smoke ...
An air quality alert for the Chicago area was extended for a second time as smoke from Canadian wildfires lingers overhead ...
St. Louis and the entire state of Illinois will be under an air quality alert Friday due to wildfire smoke from Canada ...
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