Doctor: Hardware Store Masks Can Cause More Problems In Smoky Air

350 views · Published 6 December 2017 · 3:51 · Indexed 20 September 2026

Channel: CBS LA · 2017 · News & Politics

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LA County Public Health's Dr. Cyrus Rangen says wearing a mask don't do a good job of filtering out small particles or gases in the air from a brush fire. Sharon Tay and Jeff Michael report.

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