How clean is the air on planes? ~ NatGeo Sept 1, 2020 19:09:18 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Owen on Sept 1, 2020 19:09:18 GMT 1 ~~~ How clean is the air on planes? ~ NatGeo ~~~High-tech filters and low-tech masks: How technology and personal responsibility might make flying safer than you think.www.nationalgeographic.com/travel/2020/08/how-clean-is-the-air-on-your-airplane-coronavirus-cvd/ ~ Published 28 August 2020 ~