How to keep the air inside your home clean during wildfires

Wildfire smoke poses health risks due to tiny airborne particles, and experts recommend using high-efficiency air filters (MERV 13 or higher), HEPA air purifiers, or DIY box fan filters to maintain clean indoor air. The University of Oregon’s Center for Wildfire Smoke Research and Practice advises running central AC systems in recirculation mode and avoiding ozone-generating devices.