Masks are an effective way to protect yourself from airborne pollutants such as PM2.5, viruses, bacteria and allergens. In general, there are 2 common types of masks: surgical masks and respirators like N95 and N99 masks. DIY masks are also a popular option for when surgical masks and respirators are not available. Read more to learn if masks actually work, how long masks can be used, how to wash them, and how to DIY your own mask.
It’s tough to get good mask data on a wide range of consumer masks. I’ve posted some of my own test data and test data from Dr. Saint Cyr. But another great source of even more mask tests comes from the Shanghai Municipal Bureau of Quality and Technical Supervision. I’ve linked to … Read more
Since mask fit-test machines cost $10,000, many people need a simpler, practical way to check that their mask is sealing properly on their face. In those cases, a simple four-step “poor man’s fit test” will help people check the fit of their mask and find leaks. I was … Read more
