Does the Climate in Bangkok Aggravate the Air Pollution in the City?

I just analyzed Bangkok’s PM2.5 data (what is PM2.5?), and I found it varies systematically by season and time of day. Bangkok Average PM2.5 First, some basics. In 2018, Bangkok averaged 27 micrograms of PM2.5. That puts Bangkok just under three times the WHO annual limit.     Bangkok’s Air Pollution: The Bad News But […]

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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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What Would China’s Air Be Like If Everyone Stopped Driving?

  Air pollution includes a bunch of microscopic particles, but have you ever wondered what those particles are exactly? In a study published in Nature, scientists tested the air in Beijing, Xi’an, Shanghai, and Guangzhou to find out exactly what PM2.5 is made of. By tracing the composition of the particles, they could gain clues about where it’s all […]

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