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Fine dust advisory issued as smog blankets Seoul
Fine dust advisory issued as smog blankets Seoul SEOUL, March 27 (AJP) - An ultrafine dust advisory was issued for Seoul and surrounding areas on Friday, as heavy smog carried by northwesterly winds blanketed the capital, with fine dust levels exceeding 81 ㎍/㎥, according to the Korea Environment Corporation. Such an advisory is issued when PM2.5 concentrations exceed 75 ㎍/㎥ for more than two consecutive hours. The elderly, children, and those with respiratory or cardiovascular diseases are advised to refrain from outdoor March 27, 2026