As the smoke from hundreds of out-of-control wildfires dances and lingers above hundreds of North American communities, experts warn about the risks to human health from toxic particles those clouds carry.
And because no home is perfectly sealed, air quality indoors can still be affected.
“On average, whatever the air pollution level outside is — inside is probably about half that,” explains Dan Westervelt, associate research professor at Columbia University’s Climate School.
“And so when you’re talking about the kind of levels that we’ve been seeing in the Mid-Atlantic U.S., half of that is still pretty dangerous.”
So what are some ways this smoke
