| | | | | | | | | | | | 3 5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2015 86.2% 90.2% | PM 2.5 36 | 23 | 2015 5 11 | 2014 57.7% | 79.1% 9.6% 1.7% | | V | | | | | | V Ⅳ | | | 98% | | | | | | | | | | | | | | | | | | | | | | | 3101 | 3100 | 99.9% | 866 | 1395 | | | | | | | | | | | | | | | | | | | | | | | |