Wildfire smoke leaves harmful gases in floors and walls. Research shows air purifiers don’t stop it — but here’s how to clean up

Delphine Farmer is a professor of chemistry at Colorado State University. When wildfire smoke turns the air brown and hazy, you might think about heading indoors with the windows closed,…

Read more Wildfire smoke leaves harmful gases in floors and walls. Research shows air purifiers don’t stop it — but here’s how to clean up

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A wildfire that started in a California national park has burned tens of thousands of acres – and is so intense that it’s spewing dangerous spinning whirlwinds of…

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