Q: Which masks protect against COVID-19 and wildfire smoke?

A: N95 masks without an exhalation valve protect against COVID-19 and wildfire smoke. However, experts recommend reserving N95 masks for healthcare professionals.

Additionally, according to the Centers for Disease Control and Prevention, cloth masks that protect against COVID-19 do not offer the same protections for wildfire smoke. Surgical masks are also ineffective. Unlike the aerosols that carry COVID-19, smoke particles can bypass the material.

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