An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke from these flames.

Canadian wildfires are impacting air quality in the Midwest and Northern Plains. Smoke may cause reduced visibility and respiratory problems. Several states, including Indiana, Illinois, and ...

Dense smoke from Canadian wildfires is blowing into U.S. Wildfire smoke from Manitoba, Canada, will blow across two dozen states through Saturday, reducing air quality and creating hazy skies.

In Canada, there are several priority fires ranging from roughly 9,100 to 306,000 acres in size. As of May 30, there were 77 uncontrolled active fires, according to Natural Resources Canada.. As ...

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke from these flames.