PM0.3 – Smart Air

Can air purifier HEPA filters re release pollution back into the air

Can HEPA Filters Release Dirty Particles and Viruses Back Into Air?

2023-05-182020-08-18 by Paddy Robertson

HEPA filters are great at filtering particles such as dust, PM2.5 and PM10. They also do an incredible job of capturing nanoparticles including bacteria, COVID-19, and other viruses. What HEPA filters don’t do though, is destroy the particles. This has led to a lot of marketing hype and confused air …

What Is PM0.3 and Why Is It Important?

2023-08-102019-05-06 by Neo Kang Wei

There’s a lot of fuss around 0.3 micron particles. What’s a 0.3 micron filter? Why are HEPA filters listed as filtering 0.3 micron particles? Can masks and HEPA filters capture 0.3 micron particles? This article will provide the answers to these questions. What Does “PM” Mean? To understand what PM0.3 …

Smart Air is a social enterprise and certified B-Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.