What Is PM0.3 and Why Is It Important?

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 …

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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 …

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How long do the Blast and Blast Mini HEPA filters last?

What’s the HEPA Lifespan of the Blast and Blast Mini?

Ever since we launched the Blast and Blast Mini industrial air purifiers in 2017, we’ve wanted to get good data on how long hepa filters last. These filters are huge, 10-20 times the size of our DIY purifier filters in fact. We’d expect the HEPA lifespan to be much longer, but let’s …

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Should You Sleep With Air Purifier On?

Here’s a question I often get asked about air purifiers: “I don’t want to hear the fan while I sleep, so can I run my air purifier for an hour and then turn it off before I sleep at night? Or should I sleep with my air purifier on at …

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Do Air Purifiers Remove PM2.5?

When I was coughing through Beijing’s airpocalypse and thinking about buying an air purifier, I wanted to know something first–do air purifiers really remove PM2.5?     I wondered because I saw lots of air purifier tests on pollen, but pollen is generally 10 microns or larger, whereas I was …

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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.