The World from PRX

air quality index

Kathmandu's air quality is notorious. Now there's an Air Quality Index to measure just how bad.
Health
Nepal’s air pollution threatens humans and glaciers
A group of people gather at a coffee shop in Shanghai to learn how to put together simple air filters with a fan and velcro.
Business, Economics and Jobs
If you can’t afford an expensive air filter to deal with the smog in China, you can build a DIY model