Living Under Smoky Skies—Understanding the Challenges Posed by Wildfire Smoke in California

Nov 14, 2022 - A 2007 study points out that before European settlement and the introduction of modern fire suppression, smoke likely filled the skies in California during much of the summer and fall. Significant uncertainty exists regarding the level of emissions generated by these fires.
https://lao.ca.gov/Publications/Report/4644