rate” nationwide next week, with PM10 at 31-80 micrograms per cubic meter and PM2.5 at 16-35. However, the Seoul metropolitan area and the North and South Chungcheong provinces may briefly see “bad” l
来源：新华社 【编辑:梁异】
A child plays in the Gwanghwamun Square fountains in central Seoul on Sunday. (Yonhap)Unseasonably warm conditions resembling early summer are expected to subside as temperatu
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