It’s allergy season again. Spring is here, and the catkin white fluff is in the air! Lately, I’ve noticed many people wearing these Pitta masks out on the streets of Beijing. They look sleek, but I wondered whether they actually work. After all, data shows that Japan’s air quality is much better than China’s, so it’s possible that they were designed for things other than […]
Tag: mask
Hong Kong’s air quality might not be as good as you think
Hong Kong doesn’t come to mind when you say the words ‘air pollution’. However, I just analyzed data on Hong Kong’s PM2.5 pollution and found that PM2.5 air quality levels averaged 30 micrograms in 2018. What does that mean for Hong Kong’s air quality? Based on this data from Berkeley Earth, Hong Kong averages three […]
This One Region in China Saw a Pollution Miracle in 2018
New analysis from Smart Air shows that China is making progress on its “war on air pollution.” PM2.5 air pollution was down in 14 out of China’s 15 largest cities. Yet one region saw far more progress than the rest. South Sees Modest Air Quality Gains In southern China, from Shanghai to Shenzhen, […]