| 2021 1 8 | 85.9% | 2.7 | | 55.6% 29.8 | | 29.6% | 4.1 12 | | 99.2% 96.7% 95.0% | 93.0% 88.5% 85. | 2% 82.7% 79.8% 79.0% | 78.6% 78.2% 74.5% | | PM2.5 23 / | 20.7% 12 PM2.5 | | 10 / 17 / | 20 / 22 / | 22 / 24 / | 24 / 25 / | 25 / 27 / | 29 / 29 | / | | 12 | | | |