Which smog is more serious in Shijiazhuang or Qinhuangdao?

The smog in Shijiazhuang is more serious.

Shijiazhuang and Qinhuangdao are both cities in Hebei Province, and both have smog problems. However, from the public data and statistical results, the smog problem in Shijiazhuang is more serious. The concentration of PM2.5 in Shijiazhuang once ranked among the top cities in China. In contrast, the smog problem in Qinhuangdao is relatively light. Although there are some foggy weather, the overall level is lower than that of Shijiazhuang. Therefore, considering comprehensively, the smog in Shijiazhuang is more serious.