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

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

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

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 ...

According to the Chicago Office of Emergency Management, the alert has been extended through Saturday night. Highs today will ...

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 ...

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

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