| | 〔2020〕28 | | | 2020 | | | | | | 2020 | | | | | 2020 4 17 | | | 2020 | | | | | | 2019 | | | | | 2018 | 2020 | | | | 2018 2020 | | | | | | | | | | | | | | | | | | | | | | | | 13 5 | | | | | | | | | | | | | | | 2020 | | 85% | 311 PM2.5 | 2015 20% | 2015 15.00% | 15.50% | | 2020 | | | 3.38% 1.48% | | 2020 | | 90% | 90% | | | 1 | 1 | | | | | | | | | 2020 | | | | | | | | | | | | 90% | | | | | | | | 2020 | | | | | | | | | | 2020 | | | | | | | | | | | | | | | | | | 2 | | | | | | 2020 | | | | | | 35 | | | | | | | ︹ 2019 ︺ 9 | | | | | 2020 | | | 3 | | | | ︹ 2018 ︺ 37 | | | | | | | | ︹ 2018 ︺ 214 | | | | | | | | | 4 | | | 2020 | | | 2 | 5 | | | | | | | | | | | | | | | | | | | | | | | 6 | | | | | | | 2020 | | | | | | | | | | | | | 7 | | | | 2020 | 90% | 95% | | | | | | | | | | | | 2020 | | 100% | | | | | | | 2020 | | GB18918 2002 | A | | | | | | | | 2020 | | 95% | | 8 | | | | | | | | | | | | | 2020 | | | | 0.64 | | | | | | 2020 6 | | | | | 3 | 9 | | | | | 2020 | 40% | | 40% | 30% | 40% | 90% | | | | | | | | 2020 | 45% | 90% | | 2020 | 80% | | | | | | | | 2020 | | 75% | | 95% | | | | | | | | 2020 | 36 | | | | | | | | | | | | | | | 10 | | | 2020 | | | | | | | | | | | | | 11 | | | | | | | 2020 | | | 40% | | | 12 | | | | | | | 4. | | 13 | | | | | | | | | | | | | | | 14 2019 | | | | | ︹ 2019 ︺ 3 | | | | | 2020 | | | | | | | | 1 | | | | | | | 2 | | | 2020 | 4.21 | | | 2015 22% 10% | | 3 | | | | | | | | | 4 | | | | | | | | | | | | | | | | | | | 5 | | 13 5 | | ︹ 2017 ︺ 63 | | | | | | | | | 2020 | | | | | 1 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2 | | | | | | | | | | | | | | | | | | | | | | | | | | | 3 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2020 | | | | | | | | 4. | | | | | | | | | | | | | | | | 5 | | | | | | | | | | | | | | | | 2020 VOCs | 2015 10% | | | | | | | 2020 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2018 | 2020 | | | | | | | | | | | | | | | | | | | | | | | | 2020 | | | | | | | | | | | | | | | | | | | | | | | | | | |