Summary | The Ministry of Environmental Protection said
recently the monthly average concentration of PM2.5 airborne
particles in Beijing in October dropped by 32.1 percent
year-on-year, among the 17 cities that saw a decrease in PM2.5
levels compared with the same period a year ago.
recently the monthly average concentration of PM2.5 airborne
particles in Beijing in October dropped by 32.1 percent
year-on-year, among the 17 cities that saw a decrease in PM2.5
levels compared with the same period a year ago.
china.org.cn | 27 November 2017