2021 1 11 | 88.7% | 1.6 | | 54.0% | 24.6 | 28.3% | 6.1 12 | | 99.4% 97.3% 96.4% | 94.9% 91.3% 88.3% | 86.2% 84.4% 84.4% | 82.% 81.7% 77.8% | | PM2.5 23 / | 14.8% 12 | PM2.5 | 9 / 17 / | 20 / 21 / | 22 / 23 | / 24 / | 25 / 25 / | 27 / 29 / | | | 12 | | | | |