| | 2019 2020 | | 2019 2020 | | 2019 2020 | | | | 2020 1 2019 | 10 2020 1 | | 2020 1 2019 10 2020 1 | PM2.5 | | 2 + 26 | 2019 10 2020 1 PM2.5 | 47~108 / μg/m3 | 78μg/m3 4.9% | 3 | 47μg/m3 57μg/m3 61μg/m3 | 3 | 108μg/m3 96μg/m3 91μg/m3 | 20 PM2.5 | 13 | | | 22.8% 15.8% 14.9% | 8 | PM2.5 | | 16.2% | 41 2019 10 | 2020 1 PM2.5 21 ~ 81μg/m3 | 51μg/m3 5.6% | PM2.5 3 | 21μg/m3 28μg/m3 30μg/m3 | 3 | 81μg/m3 79μg/m3 | 41 | 32 PM2.5 | 1 | 8 | 31 PM2.5 | | 3 | 21.6% 17.5% 17.5% | 3 | 10.3% 8.1% 6.2% | 11 2019 10 2020 | 1 PM2.5 49~94μg/m3 | 78μg/m3 2.5% | PM2.5 | 49μg/m3 94μg/m3 | 7 PM2.5 | 6 | | | 15.5% 11.6% 8.2% | PM2.5 | PM2.5 | 9.4% 4.2% 1.2% | | | | | | | | |