Wildfire smoke changes dramatically as it ages, and that matters for downwind air quality – here's what we learned flying through smoke plumes
- Written by Brett B. Palm, Postdoctoral Researcher in Atmospheric Chemistry, University of Washington

The year 2020 will be remembered for many reasons, including its record-breaking wildfires that turned San Francisco’s skies an apocalyptic shade of red and blanketed large parts of the West in smoke for weeks on...