Lightning, which is more common in hotter temperatures, is usually the cause of wildfires that burn the most land. In 2023, ...

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

Swaths of smoke from wildfires that have torched buildings and forced thousands from their homes in Western Canada have ...

An air quality index of 300 or higher is considered hazardous, and the record-breaking smoke AQI in Grand Portage reached 800 ...

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

The ongoing Canadian wildfires have reportedly blanketed a third of the United States, affecting millions, with the National ...

Smoke from wildfires burning in three Canadian provinces covered about a third of the U.S. on Wednesday, forecasters said, ...

Canadian wildfire smoke has become so intense that even young, healthy Minnesotans are experiencing symptoms similar to ...

Canada wildfires continue to burn, as smoke from the Canadian fires are affecting U.S. air quality in several states, including Indiana. What we know.

Wildfire smoke turns the skies near The Pas in Manitoba a dark red.

Wildfires in Saskatchewan and Manitoba continue to burn out of control as fierce winds and bone-dry conditions intensify the crisis, forcing evacuations and threatening northern communities. As of ...