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When will Chicago's air quality improve? As Midwest alerts continue, Illinois sees some relief
While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was expected to shift away from air quality issues that persisted over the last week,
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.
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 ...
2don MSN
Air Quality Alert extended through Sunday across Chicago area as Lollapalooza draws thousands
Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.
St. Louis and the entire state of Illinois will be under an air quality alert Friday due to wildfire smoke from Canada ...
The National Weather Service issued an air quality alert for the city on Thursday and kept extending it through Sunday night. There was no alert Monday.
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