Summary | Beijing's environment authority said Monday that the
capital city's PM2.5 density, an indicator of air pollution,
has dropped by over 20 percent during the first 10 months of
the year from the same period last year.
capital city's PM2.5 density, an indicator of air pollution,
has dropped by over 20 percent during the first 10 months of
the year from the same period last year.
chinadaily.com.cn | 04 December 2015