Sqair HEPA lifespan tests

How Long Does the Sqair’s HEPA Filter Last?

After launching the world’s most cost-effective purifier (the Sqair), we started testing the HEPA lifespan. I’ve long been skeptical of the lifespan numbers purifier companies give because (1) they provide no empirical justification for the number and (2) they give the same numbers in Switzerland or Delhi. Yet clearly the … Read more

使用风速表测Sqair中流出的速度

Why a Weaker Filter Actually Makes a Stronger Purifier

Why does Smart Air’s latest air purifier, The Sqair, use a weaker filter–an H11 HEPA compared to the H12 and H13 HEPA filters out there? Tests of different filter grades revealed that weaker filters sometimes make stronger purifiers.     Of course, purifier companies like to market their filters as … Read more

Simplifying Clean Air with One Less App

Here’s a radical idea: having one more app on my phone won’t make me happier. It feels like the world is rushing to app-ify everything these days. GPS and texting made my life a lot easier, but there’s a limit. The moment I saw this coffee mug, I knew we … Read more

Smart Air is a social enterprise that creates simple, no-nonsense air purifier 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.