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

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

Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

Thick smoke from Canadian wildfires has smothered the Midwest, pushing air quality to unhealthy “red” levels in Iowa, ...

S moke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

Wildfire smoke from Canada has made for bad air quality over parts of the Upper Midwest. Most of Minnesota had “unhealthy” air quality Saturday. That is according to a U.S.

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian wildfires, covering the northern region o ...

Environment Public Health As politicians quarrel over wildfire smoke, research on its health impacts piles up A growing body of research shows the cascading health impacts of wildfire smoke, from ...

BISMARCK, N.D. (AP) — Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian wildfires, covering the northern region of the U.S. at a ...

Brace for more smoky skies as Canadian wildfires rage A dire August forecast map shows "well above average" fire severity across a swath of Canada.