SEOUL, Jan. 13 (Yonhap) -- Fine dust particles covered South Korea's sky Sunday, prompting authorities to take countermeasures and issue advisories.
The ultrafine dust level was predicted to hover above 50 micrograms per cubic meter (㎍/㎥) on average for the day in most of Seoul and its surrounding regions, according to the weather agency.
The level was measured at 72 ㎍/㎥ for Seoul, followed by 60 ㎍/㎥ for Incheon and 81 ㎍/㎥ in Gyeonggi Province on Saturday.
The Ministry of Environment took reduction measures to tackle the dust particles. Starting at 6 a.m., thermal power plants in the aforementioned areas must reduce their output to 80 percent of normal operations.
Other public emissions facilities are required to keep operational hours shorter and take reduction measures in accordance with city governments' guidelines.
The weather authorities forecast the dust density will remain high across the country till Monday.
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