Do kid's air pollution masks really work on children

How effective are kid’s masks at filtering air pollution?

As cities like Delhi, Beijing and Manila face toxic levels of air pollution, people are rushing to find effective pollution masks, particularly for children. But there’s a problem. Children’s faces are different from adults’. Add to that, children are constantly growing, meaning that the mask that fit last year might not fit this year. Children’s […]

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PM10 vs PM2.5 – The Difference in Particle Air Pollution

Does size matter? The difference between PM10 and P 2.5 is size. But let me back up. “PM” refers to particulate matter—particles in the air. Those particles are things like organic dust, airborne bacteria, construction dust, and coal particles from power plants (for example, check out this study from researchers in Shanghai who analyzed what […]

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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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