Why do they wear masks in China? Greenpeace on air pollution!
News
December 31, 2014

Why do they wear masks in China? Greenpeace on air pollution!

Read about fine particles (with less than 2.5 micrometers), their concentration and how they can affect your lungs, where do these particles come from, and what does the burning of half of world´s coal resources can do?

So when you are present in a hugely polluted city (nowadays especially in China) set your air ventilation on inner circuit, wear a mask outdoors and definitely lower your activity level!

Read more http://www.greenpeace.org/eastasia/campaigns/air-pollution/problems/coal-hard-truth-air-pollution/