Cause Of California Wildfires 2025 Map. 2025 | updated jan 10, 2025 8:06 p.m. An analysis of 423 california wildfires that have grown to at least 15 square miles (39 square kilometres) since 1984 shows only four of those burned during the winter.
This map contains three different types of data: A growing number of wildfires spread rapidly across los angeles, fueled by powerful santa ana winds, low humidity and dry vegetation due to a lack of rain.