Key Areas: Huai River, Hai River, Liao River, Tai Lake, Chao Lake, Dianchi Lake, Bo Sea, SO2 and acid rain control regions, Beijing Municipality.

• 重点地区：淮河、海河、辽河、太湖、巢湖、滇池、渤海、二氧化硫污染和酸雨控制区、北京市。