Smoke from Canadian wildfires continues to affect air quality across the Midwest, though Monday’s conditions were an ...

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

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

Air quality alerts issued Thursday in Illinois because of Canadian wildfire smoke marked the latest bout in an increasingly ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

"The air quality is officially dangerous in Chicago," says Brian Urbaszewski, director of environmental health programs at ...

Every air quality monitor in Minnesota is reporting red or unhealthy conditions for everyone, an official said.

The alert, which goes into effect at midnight. comes as the Chicago area continues to see poor air quality due to the Canadian wildfires.

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

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

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

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