[Newsmaker] South Korea has OECD's second-worst air quality
Social affairsFeb 16, 2017
South Korea has nearly the worst air quality among advanced economies, with its level of fine dust soaring over the past 25 years, a report revealed Thursday. According to the “State of Global Air 2017,” a report by nonprofit environmental group Health Effects Institute in the United States, the nation’s average population-weighted concentration level of PM2.5 -- which refers to ultrafine particles or particle matter with a diameter of at least 2.5 micrometers -- was 29 micrograms per cubic mete