National Weather Service officials issued an air quality alert set to expire at midnight Saturday for the Chicago and ...

The National Weather Service has opted to extend an air quality alert in the Chicago area for another day.

Good afternoon, Chicago. Air quality alerts issued today in Illinois because of Canadian wildfire smoke marked the latest ...

Air quality alerts issued Thursday in Illinois because of Canadian wildfire smoke marked the latest bout in an increasingly common summer occurrence. The alert covers 34 Illinois counties designated ...

Illinois, Michigan, Wisconsin and Minnesota are under air quality alerts for unhealthy conditions as Canadian wildfire smoke ...

An Illinois Air Pollution Action Day is declared when weather conditions are such that widespread ozone and or particulate ...

Most of the Chicago area remains under an Air Quality Alert this weekend due to smoke from Canadian wildfires.

An air quality alert for the Chicago area was extended for a second time as smoke from Canadian wildfires lingers overhead ...

Smoke from Canadian wildfires has returned to Central Illinois bringing significant reductions in air quality to Central ...

The Air Quality Alert has been extended for both Wisconsin and Illinois through Friday, lasting until Noon for southern Wisconsin and Friday night for northern Illinois. Significant impacts from ...

Saturday offers generous sunshine mixed with puffy fair weather clouds, comfortable temperatures and low humidity. An Air ...

St. Louis and the entire state of Illinois will be under an air quality alert Friday due to wildfire smoke from Canada returning to the area.