5 23 | 23 2018 4 | 4 | 4 | | 1- 4 288 | 76.7% | 0.9 PM2.5 52 / | 7.1% PM10 | 89 / 2.2% | 1- 4 | 59.1% 2.2 | PM2.5 69 / | 18.8% PM10 122 / | 12.9% | |