Wildfire smoke from fires burning in Canada and northern Minnesota has been pouring across the Great Lakes and northeastern U.S. states.

Smoke from northern Minnesota and western Ontario wildfires is pouring over the Great Lakes, mid-Atlantic and Northeast, bringing record levels of hazardous air pollution to major…

Wildfires in Canada are pouring thick clouds of smoke into the US and will usher in unhealthy air quality for millions of people in Northeast and Midwest.