동북지방에서 PM 2.5 농도 300㎍/㎥ 이상을 나타낸 곳은 지린(吉林)성 창춘(長春)시 335㎍/㎥, 지린시 257㎍/㎥ 등이었다.
PM 2.5 concentrations of 300g/m3 or higher were recorded in Changchun City, Jilin Province, and 257g/m3 in Jilin Province in the northeast.