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Wildfire smoke is in our homes. Here’s how to clear out toxic particles – CBC

by tmnationtalk on June 9, 202352 Views

Even with the windows and doors closed, indoor air can become polluted

Jun 09, 2023

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 can enter our homes?

Check doors, windows, vents
Naturally, the largest openings in our homes to the outside tend to be the doors and windows. But even when they’re closed, says Amy Li, an air quality expert at Waterloo University, smoke particles can still “infiltrate into your room through all the cracks and leakages in the building enclosure.”

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