| 2025 03 9 10 | | 3 8 | | | 3 | | | | | | | | | | 2015 PM2.5 80.6 | / 46 | 2024 PM2.5 30. | 5 / PM2.5 | 1 | | 30 90 | 30 PM2.5 | 30 / | 90 | 90% | | | | | | | | | 4.4 | | | | | | | | | | | | | | 10 | | | | | | | | | | 9.4 | 32.5 | | | | | | | | | | | | 10 | | | 35% | | | | | | | | 100 3 | 26 | 4 | | | | | | | 1.4 | | | 2024 1.4 | | 1.4 | | | | | | | 1.4 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |