The current rankings indicate that Detroit is more polluted than Kolkata, one of India's largest cities, and every other city ...

Air-quality alerts have been posted in New York City, with 740 fires raging across Canada from the Arctic Circle to southern ...

At least 738 wildfires are currently burning in Canada, with at least 201 out of control, according to the Canadian ...

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 ...

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 ...

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.