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

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

Heavy smoke from several large wildfires blazing in Canada and Minnesota engulfed large swaths of the Midwest and East Coast.

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

Over 800 wildfires in Canada are set to impact air quality in the US, particularly in the Upper Midwest and Northeast.

Canadian wildfire smoke is impacting air quality across Michigan and Metro Detroit. See a map. Check your air quality index.

More than 700 fires are currently labeled as “out of control,” with smoke drifting into several U.S. states. These tools help ...

More than 830 wildfires are burning across Canada, with over 100 considered out of control.

Heavy smoke from wildfires in northern Minnesota and Canada has spread across Minnesota, prompting air quality alerts warning ...