HEPA Under 0.3 Microns

Can HEPA Filters Capture Nanoparticles?

Many big purifier companies claim only their HEPA filters capture nanoparticles, like this Molekule ad. Although this claim is false, even journalists repeat this myth. Why is this belief so pervasive? One reasonable explanation is that the definition of “HEPA” leads people down that route. For example, this definition on … Read more

Smart Air Unveils New Techno-Ultra HEPA Filter

This post is an April fools, published on 1st April, 2019. Smart Air uses no fancy “Techno-Ultra” tech. In fact, a HEPA filter is all an air purifier needs. Read on bust this myth. “Finally, a HEPA filter that actually works! Meet the Techno-Ultra HEPA filter!”   Back when we started … Read more

Can air pollution masks help with India's air pollution?

Do Masks Really Work in India’s Air Pollution?

Every year when winter rolls around, a billion people in India are left breathing toxic, polluted air when on the streets. Be it in Delhi, Mumbai, Kolkata or Hyderabad, everyone is forced to become experts in a complicated scientific question to cope with the pollution: Do air pollution masks work? … Read more

Can I Clean or Wash HEPA Filters? – Supplemental Data

This post contains supplemental data for the post “Can I Clean or Wash HEPA filters?“. It includes detailed information about the testing method, and the original data, open-sourced for all to view. Click here to view the original article Open Data Particle Capture Tests For the particle capture tests, CK … Read more

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