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The Nexus
HEALTHJul 17 · 10:49 UTCABC7 CHICAGO

As smoke from Canadian wildfires blankets the US, can wearing a mask help?

Air quality in the Philadelphia region remains at dangerous levels due to smoke from wildfires in Canada and Minnesota. The article questions whether wearing a mask can help mitigate the effects of the smoke.

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As smoke from Canadian wildfires blankets the US, can wearing a mask help? · The Nexus