5 27 | | | | 32 | | | 5 | | | | | | 6 | 2020 | 90.8% PM2.5 | 30 / 2015 25.0% | 1.7 13 | 2020 182 | 1267.04 10.71% | 23% 2013 1.97 | 15.27 1.82 | | 45% 30% 15 | 9015.9 | 11.26% | 7197.5 | 40% | | | | | | | | | |