Deadly and destructive wildfires erupt in the US each year, burning millions of acres and destroying thousands of homes. CNN is tracking the trends.

One climatologist said "a perfect storm" of climate extremes primed the western U.S. for one of its worst fire seasons in a ...

There are currently 900 active fires burning in Canada, impacting air quality across the United States.

Wildfires in Canada, the United States and Mexico often send smoke throughout the continent. Follow our latest coverage here.

What does code purple air quality mean? When will it get better? See Canadian wildfire smoke impact in Minnesota, Wisconsin, ...

Nearly 200 fires continued to devastate swaths of the province as smoke continued to drift across parts of Canada and the ...