How Dangerous Is Air Pollution in Japan? » Zooming Japan
Apr 08, 2018·But be careful, the typical surgical masks that are commonly worn in Asia won’t work as the particles are too fine. You’ll have to buy special N95 masks to protect yourself. The air quality in Japan (and East Asia in general) has become quite bad compared to the rest of the world which the following map shows well: (*click to enlarge image)