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How to build your own air filter for wildfire smoke

By Alejandra Borunda
Published June 8, 2025 at 3:56 PM MDT

Air quality can be impacted by smoke from wildfires. Our reporter set out to build an air filter — in a style the EPA praised, using only things she already had at home.

Copyright 2025 NPR
Alejandra Borunda
[Copyright 2024 NPR]

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