As the western United States becomes hotter and drier, wildfires in the region are becoming more frequent and severe. In addition to causing acute, local impacts on people and property, the fires can adversely affect the respiratory health of the millions of people who inhale tiny smoke particles that drift downwind. But understanding what drives wildfire activity from year to year across this diverse region and how these factors could change in the future has been difficult to ascertain.
source https://phys.org/news/2021-02-environmental-predictors-western-wildfires.html
