The areas with acid rain and the pollution extent remained stable. The acid rain pollution in the south was rather serious. There was acid rain in over 90% of the cities located in the acid rain controlling zone.

• 酸雨区范围和污染程度稳定，南方地区酸雨污染较重，酸雨控制区内90%25以上的城市出现了酸雨。