The worst year of smog in Tianjin

The worst year of smog in Tianjin is 20 16. From the afternoon of 20 16, 12 and 16, the whole Beijing-Tianjin-Hebei region will suffer the most serious pollution process this year, which is expected to last until the early morning of the 22nd. The pollution process lasts for a long time and the pollution degree is heavy. Tianjin has experienced a smog weather process with the longest duration and the widest influence since autumn this year. With the visit of cold air, the smog gradually dissipated yesterday afternoon.