| | | | | | | | | | VOCs | VOCs | | | | 2021 96 | 5 M | | | | | | | | 2021 302 | 85.31% PM10 PM2.5 | | GB3095 2012 | | | | | | | | | | V | 2021 4 27 | | | | | 2021 | | 5 IV | | | | | | | 100% | | | 12 | | VOCs 140 VOCs | 2020 | VOCs 84 | 2021 | 60 | | 2020 50 | 16 2021 | 8 | 3 5 60% 90% | 8 | 2 5 | 1 | 2018 | 400 | 90% 164 | | 67 141 40 | | | | | 380 | | | | | | | | 37 | | | 34 | 11 | | | | 11 | | | | | | | | | | | | | 338 | | 700 8 | | | | | 224 | 11 | | | | | 50% | 50% | | | | | | 2019 | 500 | 15000 | | 3500 | | | 1100 | 446 9 | |