Wildfires in Canada have forced thousands of residents to evacuate in three provinces, impacting air quality in the U.S. — and smoke from the deadly fires has even blown across the Atlantic and reached parts of Europe.

OTTAWA: Canada's wildfires, which have already forced evacuations of more than 26,000 people, continued their stubborn spread on Tuesday (Jun 3), with heavy smoke choking millions of Canadians and Americans and reaching as far away as Europe.

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest