Author summary The effects of climate change on human health are becoming more evident, but we often overlook one crucial factor: how extreme weather events influence our behaviors and, in turn, the spread of infectious diseases. In this study, we explore the role of wildfire-induced behavioral changes on the transmission of airborne diseases, focusing on the U.S. West Coast wildfires of September 2020. Our findings show that wildfires led to a dramatic increase in indoor activities, creating...