In 2022, the air pollution level of ozone (O3) in Incheon, South Korea, amounted to around ** parts per billion. This is up from about ** parts per billion in 2008.
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Ministry of Climate, Energy and Environment. (August 9, 2024). Annual air pollution level of ozone (O3) in Incheon in South Korea from 2008 to 2022 (in parts per billion) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 21, 2026, from /statistics/1019762/south-korea-ozone-air-pollution-level-incheon/
Ministry of Climate, Energy and Environment. "Annual air pollution level of ozone (O3) in Incheon in South Korea from 2008 to 2022 (in parts per billion)." Chart. August 9, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 21, 2026. /statistics/1019762/south-korea-ozone-air-pollution-level-incheon/
Ministry of Climate, Energy and Environment. (2024). Annual air pollution level of ozone (O3) in Incheon in South Korea from 2008 to 2022 (in parts per billion). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 21, 2026. /statistics/1019762/south-korea-ozone-air-pollution-level-incheon/
Ministry of Climate, Energy and Environment. "Annual Air Pollution Level of Ozone (O3) in Incheon in South Korea from 2008 to 2022 (in Parts per Billion)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 9 Aug 2024, /statistics/1019762/south-korea-ozone-air-pollution-level-incheon/
Ministry of Climate, Energy and Environment, Annual air pollution level of ozone (O3) in Incheon in South Korea from 2008 to 2022 (in parts per billion) ÌÇÐÄÆƽâ°æ, /statistics/1019762/south-korea-ozone-air-pollution-level-incheon/ (last visited July 21, 2026)
Annual air pollution level of ozone (O3) in Incheon in South Korea from 2008 to 2022 (in parts per billion) [Graph], Ministry of Climate, Energy and Environment, August 9, 2024. [Online]. Available: /statistics/1019762/south-korea-ozone-air-pollution-level-incheon/
