Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

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

National Weather Service officials called an air quality alert in effect until midnight as well as a beach hazard warning.

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

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

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

While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

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.

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

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.

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 ...