| | | 2018 | | 2019 CCTV | | | AQI | | 2018 | 61.6% 71 | 53.3% AQI | 70 253 | 2% 7. 8 ℃ 46.3% | 2.4m/s | | CCTV | | CCTV | | | | 400 | 304 100 | 5. 3 ℃ 8.7 ℃ 20.6 | ℃ 21 ℃ 2% | 40%~ 50% 2~3 | | | | | | | |