Health officials from Minnesota to Maine have issued alerts warning of poor air quality from wildfires burning in Canada.

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

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern U.S., sending air quality across the Midwest and northeast U.S. and Toronto ...

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

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