What you want to ask is whether the air quality in Fengrun District of Tangshan City is the worst? Yes According to the inquiry of Shijiazhuang. Com, among the 67 counties (cities, districts) in the province/kloc-0, the air quality in Chongli District of Zhangjiakou City is the best, and that in Fengrun District of Tangshan City is the worst. Fengrun District is a national demonstration base of agricultural products processing industry. "Two basics" work advanced area, national greening model unit, revolutionary cultural relics protection and utilization county, strong food industry county in Hebei Province (cultivation type).