South Korea Air Quality Index (AQI) and Air Pollution ...
It wassecond place in 2018, but it climbed one step to the top. According to the'2019 World Air Quality Report' released this month by AirVisual, a global air pollutioninvestigation agency, South Korea's annual average ultrafine dust concentrationlast year was 24.8 µg/m³ which was the worst among OECD member countries.
Get Price