South Korea Air Quality Index (AQI) and Air Pollution ...
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. Chile (24.9 µg/m³), whichhad the highest concentration of ultrafine dust among OECD ...
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