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Why You Should Never Use Your Air Purifier’s Auto Mode

Many air purifier companies add fancy features to help market their products.  One of these features is an “auto mode”, also called “smart mode”.    The idea behind smart purifiers’ auto mode is simple. The purifier has a small air quality monitor inside. When the air is bad, the purifier … Read more

Which Gym in Beijing Has the Safest Air?

Even though PM2.5 levels are falling, years of bad air pollution across China has led to many people installing air purifiers in their homes. Most of us are now breathing cleaner air at home, but what about when we are in public spaces? What’s the air like in that gym … Read more

Do Pollution Masks Really Work?

When a billion people in China (and quite a few expats) woke up to the severe air pollution in almost every city in China, it forced a billion people to become experts in a complicated scientific question: Do masks work? Since then, I’ve given talks with hundreds of people all around … Read more

Is the Laser Egg Only Accurate in Beijing?

A few months ago, Smart Air tested the Laser Egg, the Node, and the Dylos against official PM2.5 readings. The results were way better than I expected! All three machines correlated r = .90 or higher with the gold-standard numbers, which is very high. But this test may have exaggerated their … Read more

Is Asbestos a Problem in India?

What is Asbestos?   Asbestos is a mineral that makes a great fiber. People use that fiber in lots of building materials, like insulation, paints, electric wiring, wall boards, and floor tiles. It might be all around us.    Should I Be Concerned?   When any of these materials break apart, … 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.