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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35 healthy Shanghai college students used a purifier for 48 hours. Here’s what happened to their bodies

Does air pollution affect the health of young people with no symptoms? Let’s start with three things we know about the science behind air pollution and one really important thing we don’t know.   1. We know that purifiers reduce PM2.5   Loads of tests have found this in labs and in real-world homes. I’ve tested […]

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