Air quality alerts have been issued across most of the Midwest, and hundreds of wildfires are burning across Canada.

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from ...

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

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air.

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

Minneapolis and Chicago are again atop the world rankings for worst air quality as northerly winds continue to push Canadian ...

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

A detailed view of the sun covered by smoke from the Canadian wildfires as air quality alerts were issued across Minnesota ...

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

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...

Smoke from Canadian wildfires settled over Chicago Thursday, with air quality reaching “unhealthy” levels for everyone. Air ...

Heavy storms in the Carolinas brought between 1 to 4 inches of rain and prompted several flash flood warnings on Friday.