75 | | | 2000 | 2023 | | 23 | 30% 70% | | | 1.37 | 75 3.57 | | | | | | | | | | | 20% | | | | | | | | | | | | | | | | | | | | | | | | | | | 2023 | PM2.5 | | | | | | | 1.37 3.36 | 1.48 | | 2022 8 22 | | | | | | | | | |