| | | | 2021 1 7 | 85.2% | 1.9 | | 68.1% | 42.0 12 | | 99.5% 96.7% 94.3% | 92.0% 88.7% 83.5% 83. | 0% 79.2% 78.8% 77.8% | 76.9% 71.7% PM2.5 | 24 / 20. | 0% 12 PM2.5 | 10 / | 17 / 21 / | 22 / 22 / | 25 / 25 / | 26 / 26 / 28 | / 30 / | | 12 | | | | |