| | | | | | | | 2013 2017 | P M 2.5 | 2013 2017 | P M 2.5 | | | | | 2013 | 2017 PM 2.5 61.8 | / 42.0 / 32 | % | | | | | | | | | | 2013 9 | | | 10 35 | 2017 | | | | | | | | | | | 2013 2017 | | | | | | | | | | 2013 2017 | PM 2.5 | 2013 2017 PM 2.5 | 61.8 / 42.0 / | 32 % | | | | | PM 2.5 | 91% 9% | | 1640 | 800 | PM 2.5 350 | | | | | | | | PM 2.5 6.6 4.4 2.8 2.2 | / | | | 2013 | 2017 | PM 2.5 39.6 | % 34.3 % 27.7 % | | 2017 PM 2.5 58 / | | | PM 2.5 | | | 2017 338 | 64 % PM 2.5 | PM 2.5 | | PM 2. | 5 | PM 2.5 | PM 2.5 | | | | | | | | PM 2.5 | | | PM 2.5 | | | | | | | | | PM 2.5 | PM 2. | 5 | | PM 2.5 | | | | | | | | | | | | | | | | | | | VOC | | VOC | | | | | | | | | | | | | | | | | | |