Density of fine dust rises
An electronic signboard near City Hall in Seoul shows the atmospheric level of PM2.5, harmful particles smaller than 2.5 microns in diameter, as "bad," with 56 micrograms per cubic meter, on Jan. 9, 2023, as the environment authorities issued a warning against the air pollutants. (Yonhap)
(END)
(C) Yonhap News Agency. All Rights Reserved
