| | 7 17 | 2019 | | | 2019 | | PM 2.5 | PM10 SO2 | NO2 CO O3 | | 87. | 2% 1.9% | 12 | | 7 | | | 12 | | | | 2019 124 | 63.7% | V 14.5% | 14.6 | V 5.7 | | |