Some of the worst air quality will be right along Lake Michigan, as the majority of the Chicago metro area will be under that ...

Hazy skies from wildfire smoke from Canada, which may become more concentrated with visibility potentially dropping to 3-5 ...

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

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.

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

The hazy skies in the Chicago area are the visible sign of the poor air quality Thursday as smoke from Canadian wildfires ...

Chicago air quality remains in the top five worst in the world Friday with an Air Quality Alert in place from Canadian ...

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

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

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