︹ 2020 ︺ 11 | | | | | | | | | | | | | 2020 7 17 | | | | | 1.1 | | | | | | | | | 1.2 | | | | | | | ︹ 2018 ︺ 875 | | ︹ 2019 ︺ | 648 | | ︹ 2019 ︺ 12 | | ︹ 2019 ︺4 | | | ︹ 2019︺ 1 | GB3095 -2012 | AQI HJ633 - | 2012 | 1.3 | | | | | 1.4 | | | | | | | 1.5 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3.1 | 1 | | | | | | 2 3 | 7 | | | 3 | | | | | | 3.2 | 3.2.1 | AQI | | 24 | AQI 200 | | | Ⅲ Ⅱ Ⅰ | | AQI 200 | 2 48 | | AQI 200 | 3 72 | | AQI 200 | 4 96 AQI | 300 2 48 ; AQI | 500 | 3.2.2 | | | 24 | AQI | 24 | | | 3.2.3 | | 36 | | | | | | | | | | | 4.1 | Ⅲ | | Ⅱ | | Ⅰ | | 4.2 | | | 4.3 | 4.3.1 III | | | | 1 | | | | | | | | | | | 2 | | | | | | | | | | | 3 | | ① | | | | | | | | ② | | | | | | | | | | | | | | | | | | | | | | | | | ③ | | | | | | | | | | 4.3.2 Ⅱ | Ⅲ | | | 1 | | | | | 2 | | | | | | 10 | | | | | | | 4.3.3 Ⅰ | Ⅱ | | 1 | | | | | | | | 2 | | ① | | | ② | | | | 3 | | ① | | | 70% | ② | | | | | 4.4 | III | | | | | | | | | | | | | | | | 4.5 | I II III | | | | | | | | | | | 5.1 | | | | | | | 5.2 | | | | | | | | | | | | | 5.3 | | | | | | | 5.4 | | | | | | | | | | | ︹ 2014 ︺ 46 | | |