Hong Kong’s air quality might not be as good as you think

Hong Kong doesn’t come to mind when people think of air pollution. However, the data tells a different story–one that has important implications for Hong Kongers’ health. Hong Kong’s Air Pollution in Numbers I just analyzed data on Hong Kong’s pollution data and found that PM2.5 averaged 30 micrograms in 2018. Here’s how that compares to […]

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The Xiaomi Particle Counter Is So Inaccurate It Should Not Control the Purifier

Tech companies love to talk about how automation, internet of things, and the connected house are going to make the machines we use every day more convenient. But does it work? Anyone who’s used Apple’s Siri or “talk to text” feature knows that the promises of technology sometimes fall short. I tested the promise of […]

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