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 ...

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.

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

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

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

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from Chicago's Lollapalooza music festival.

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

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 ...