| 98.5% PM2.5 5 | / | | 107 3 | | | | | 474 | 99% | | | 10 / | | VOCs | | | | | | 4 | | V | | | | | | | | | | 2 | | | | 6 | | | | | | | | | 5 | | 2024 5 | | | | 100% | | 5 | | | |