In 2022, the annual air polluton level of ozone (O3) in Seoul in South Korea amounted to around ** parts per billion. It was *** point up from about ** parts per billion that year before.
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Ministry of Climate, Energy and Environment. (August 9, 2024). Annual air pollution level of ozone (O3) in Seoul in South Korea from 2008 to 2022 (in parts per billion) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 29, 2026, from /statistics/1019755/south-korea-ozone-air-pollution-level-seoul/
Ministry of Climate, Energy and Environment. "Annual air pollution level of ozone (O3) in Seoul in South Korea from 2008 to 2022 (in parts per billion)." Chart. August 9, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 29, 2026. /statistics/1019755/south-korea-ozone-air-pollution-level-seoul/
Ministry of Climate, Energy and Environment. (2024). Annual air pollution level of ozone (O3) in Seoul in South Korea from 2008 to 2022 (in parts per billion). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 29, 2026. /statistics/1019755/south-korea-ozone-air-pollution-level-seoul/
Ministry of Climate, Energy and Environment. "Annual Air Pollution Level of Ozone (O3) in Seoul in South Korea from 2008 to 2022 (in Parts per Billion)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Aug 2024, /statistics/1019755/south-korea-ozone-air-pollution-level-seoul/
Ministry of Climate, Energy and Environment, Annual air pollution level of ozone (O3) in Seoul in South Korea from 2008 to 2022 (in parts per billion) ÌÇÐÄÆƽâ°æ, /statistics/1019755/south-korea-ozone-air-pollution-level-seoul/ (last visited July 29, 2026)
Annual air pollution level of ozone (O3) in Seoul in South Korea from 2008 to 2022 (in parts per billion) [Graph], Ministry of Climate, Energy and Environment, August 9, 2024. [Online]. Available: /statistics/1019755/south-korea-ozone-air-pollution-level-seoul/
