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

PM2.5 Particle Size Virus

The Really Small Stuff

An open-data DIY air purifier test found that even simple, homemade purifiers can reduce particulate, but can they capture the smallest particles? This question is important because it’s the smallest particles that can penetrate deep into our lungs and even enter our bloodstream. To test how effective the DIY purifier … 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.