9 16 ( | 16 2020 1 8 | | 1940 | Ⅰ—Ⅲ 81.0% | 6.0 V | 0.9% 3.1 | 337 | 86.7% | 5.0 PM2.5 31 / | 11.4% | 1 8 | | | Ⅰ—Ⅲ 84.9% | 6.7 V 0.6% | 3.6 112 | Ⅰ—Ⅲ 73.2% | 4.1 V | 5.4% | 1.9 | |