| | | | | | | 2018 | PM10 | 62 PM2.5 | 37 2017 15% | 18% 292 | 92.5% 42 | | | | | 40 1000 20 | | | 20 13 | | | | | | | | | | | | | | | | | | | | | | | | | 90% | 868 31.8% |