By the end of 2012 to early 2013, PM2.5 quickly became a common noun from a professional terminology, so that people have a high degree of concern about how to PM2.5 down. The Spring Festival approaching, the Xining evening news yesterday published the "gentle" firecrackers one man in the city, quickly set off a discussion: released three hotline micro-blog users have a message as one falls, another rises, round, and not firecrackers staged fierce wonderful discussion. According to the results of the discussion, 70% members of the public agree to let some tender tender.

– designated unified local firecrackersSaid

– not only to the festive firecrackers