Opting for a mask with even more protection, like a P100 — which filters at least 99.97% of particulates when worn correctly, as opposed to 95% from an N95 — is well worthwhile. Ash and smoke from ...

To bridge this gap, brands are rolling out innovative devices such as fan-powered masks, true HEPA filter masks, air purifier necklace, and even wristband purifiers. These compact, affordable ...

Now that masks are optional on every major US airline ... stuffy jet bridges do not have the same air circulation as HEPA-grade air filters, Freedman said. Though airlines have made technological ...