The persistently high concentration levels of ultra-fine dust are due to atmospheric stagnation. - Photo: AFP
SEOUL: Most of South Korea was covered by thick, ultra-fine dust for the second consecutive day on Wednesday (Jan 22), with such conditions forecast to continue until Thursday (Jan 23), according to the National Institute of Environmental Research (NIER).
According to the NIER, the density of ultra-fine dust particles is forecast to remain at “bad” levels nationwide until Jan 23, excluding some eastern coastal regions in Gangwon province and southern parts of Jeju Island.
