1 21 | | | | | | | | | | 2018 | 2019 | | | | | 2018 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2019 | | | | | | | | | | | | 2019 1 | | | | | | | | | | | | | | 2019 | | | | | | | | | | | | | | 70 | | 83.5% | PM2.5 | 2015 11.8% | 59.6% V | 5.8% | | | | | | | | | | | | | | | | | | | | | | | | | | |