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 ...

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

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

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

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

"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.

While an air quality alert continues for parts of the Midwest due to smoke from Canadian wildfires, northeastern Illinois was ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

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 ...