Each year, wildfires across the United States and Canada burn millions of acres and destroy thousands of homes and other structures. CNN is tracking the trends.

The Lucas Fire has burned 4,128 acres near the Lake-Mendocino County line and is 60% contained.

Wildfires continue to rage in parts of the Northwest, leading to poor air quality across much of the West due to spreading smoke. Add in the dangerously high temperatures and conditions are hazardous ...

Canadian wildfires trigger mass evacuations and send smoke across the U.S., putting millions at risk from poor air quality.

Add Yahoo as a preferred source to see more of our stories on Google. Where are the Canadian wildfires — and will Canada smoke reach NJ today? Forecasters say it could. Canadian wildfire smoke is ...