People on a rooftop in Jongno District, central Seoul, gaze upon buildings shrouded in smog on the morning of Feb. 16, when ultrafine dust enveloped most of the nation in a gray haze. The Korea ...

The Seoul metropolitan area was shrouded by heavy fine dust concentrations for the second straight day on Wednesday, forcing local governments to issue a fine dust advisory and take emergency emission ...

U.S. President Donald Trump said he will meet emergency services in California on Monday as record fires have killed at least 31 people and smothered the West Coast in dense smog.