6 15 | | 2020 | | | | | | | | 2020 | | | | | | 2020 | | | | | | | ︹2018 ︺ 17 | | | | | | | ︹2018 ︺ 22 | | | | | 2017 2+26 | | | | | | | | | 2020 | | | | | | | | ︹2018 ︺ 875 | | | ︹2019 ︺ 648 | 2015 | | 2020 5 26 | 2020 13 | | | | | | | | | AQI | 200 | 2 48 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SO2 | NOx PM | VOCs | 10% | | 20% | 30% | SO2 | NOx | | | | | | | | | | | | | | 11 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |