The most serious areas includes the main current of the second Songhua River Jilin section downstream, the Yitong River Changchun section downstream as well as Yinma River Jiutai section downstream.

• 污染最为严重的是西北部地区主要包括第二松花江干流吉林段下游、伊通河长春段下游以及饮马河九台段下游。