Air purifiers work best in a closed room environment, but this makes some people worry that closing windows starves us of oxygen. Worried how long you can survive in an airtight room? Well, recent tests in a real apartment — with as many as seven people in a small room …
Will my air purifier still work with a window open? Recent test data from Smart Air, air purifiers can still significantly reduce PM2.5 in a room even when a window is slightly cracked. Here’s what you should know: The Obvious: Air Purifiers Most Effective With Windows Closed No one doubts …
Wearing masks for hours on end has led some people to worry about whether N95 masks deprive us of oxygen. Scientists have actually made people wear N95 masks and measured their blood oxygen. So we have a solid answer to this question, and it’s not what this question assumes. This …
