Experts say people should take precautions such as wearing an N95 mask while outdoors or heading inside and closing the windows.

An air quality alert remains in effect for the entire Chicago area, with another "Air Pollution Action Day" alert declared as ...

Why coyote sightings are on the rise, and what to do if you see one. Plus, late rainfall ruins strawberry season, how the ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

Another large fire exacerbated by climate change is threatening the health of Chicagoans. Government officials issued an air ...

Hamilton, Burlington, Brantford and surrounding areas are expected to see smoke from wildfires in Western Canada impact the ...

Smoke from Canadian wildfires is leading to very unhealthy air quality for much of Michigan, including all of Southeast Michigan. On Thursday, Detroit has some of the worst air quality in the world.

A fast-moving fire erupted in Philadelphia at a transit bus lot filled with dozens of decommissioned vehicles.

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

An air quality alert has been extended for the Chicago area as "unhealthy" levels are expected to continue into the start of ...