Smoke from Canadian wildfires is causing air quality concerns for millions of Americans in the Midwest and Northeast.

Wildfire smoke from Canada is impacting millions of people across parts of the northern United States. Over the weekend, it ...

A number of states in the United States have declared air quality warnings with concerning levels noted across many of the Great Lakes states including Wisconsin, Michigan, and Minnesota.

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

The smoke floating over the border shared between America and Canada is now impacting air quality in states as far south as Texas, AirNow's data shows. The EPA has declared the air quality in states ...