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