By the time the recent spate of wildfires began scorching Oregon and fouling the air with smoke, Kassandra Rippee, like most of us, already had a lot of practice wearing masks. Through the COVID-19 pandemic, she has worn one whenever she leaves the house. Now, as fires continue to cough smoke across America’s West Coast, those cloth masks just don’t seem to cut it. The air is sometimes so thick that wandering around feels like being in white-out conditions, she says. At home, Rippee is making do with a box…
