2018 | 2019 | | 2020 | | | | | | | | | | | | | | | | | | | | 108 119 | 10 | 2900 | | | | | | | | VOCS | | | | 30 | | | PM 2.5 | | 2437.65 | 1414 .95 | 97 % | 337 | | | | | | | | | | | | | | | | 2020 | 4 5 | | | | | | | | | | | | | | | 57 313 | 190 28 | 54 3 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 33 . 6 % |