Hundreds of Canadian wildfires have worsened the air quality in many parts of the United States Donald Trump's executive ...

Minnesota and Canada share so much: frigid winters, a love for hockey—and more recently, massive plumes of toxic wildfire ...

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity ...

As Canada grapples with one of its worst wildfire seasons on record, smoke from the blazes have prompted air quality alerts across the U.S.

During a red-flag warning, residents are urged to avoid risky behavior like campfires or other open flames, smoking or ...

Amid thousands of evacuations and the spread of smoke to the United States, the Canadian armed forces and the Coast Guard ...

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have ...

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. Parts of ...

There were 8 new fires reported across the U.S. on Wednesday, as crews work to manage 42 uncontained large fires covering 576 ...

The Dragon Bravo Fire, situated at Grand Canyon National Park’s North Rim, is now the largest wildfire in the continental ...

The air quality in several U.S. states is taking a hit as smoke floats over the border from the Canadian wildfires. Here's what to know.

Since 2016, wildfire smoke has had a statistically significant effect on PM 2.5 trends in 35 out of 48 continental states, according to Dr. Burke and Dr. Childs’s study.