| | 40 | 40 | | | | 1998 | | | | | 2016 | 24 | | | | 2013 2017 | 200 | 7000 | 25600 4874 | 2017 | 86.6% PM2.5 | 53 \ 35 \ | | 12 | 1983.3 | 43 | | | | | + | | | 506 | |