1.5分pk10最新网址 _Tianjin sees sharp PM2.5 reduction over past six months

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TIA1.5分pk10最新网址 NJIN -- N1.5分pk10最新网址 o1.5分pk10最新网址 rth China's Tianjin Municipa1.5分pk10最新网址 lity saw PM2.5 plummet over the past six months thanks to effective pollution controls, local authorities said Friday.

The avera1.5分pk10最新网址 ge density of PM2.5, fine particulate matter that causes smog, in Tianjin dropped to 63 micrograms per cubic meter between October and March, down 33.7 percent year on year, according to the city's environmental protection bureau.

The number of heavy pollution days decreased to 10 during the same period, down 71.4 percent year on year.

Yang Yong, an official with the bureau, said that Tianjin, which neighbors Beijing, recorded its best air quality since it started monitoring PM2.5 density.

The improvement was a result of a series of well-targeted measures, such as promoting clean energy heating, monitoring emissions from factories and demolition of coal-fired boilers.