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.

Wildfire smoke is causing hazardous air quality in the Pittsburgh area, prompting a warning from health officials.

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

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

New York faces an air quality advisory as wildfire smoke from Canada drifts into the state, impacting health. Track the fires ...

(This story was updated to accurately reflect the most current information.) Smoke from Canadian wildfires pushed Erie County into a Code Purple air quality alert July 16, prompting some cancellations ...

Millions of people across the Northeast and Mid-Atlantic are waking up to hazy skies, reduced visibility and unhealthy air quality as smoke from hundreds of Canadian wildfires continues streaming into ...

Wildfire smoke has taken over the sky near the Mackinac Bridge and parts of the Upper Peninsula on Wednesday morning, July 15 ...