In 2022, the air pollution level of NO2 in Seoul amounted to 21 parts per billion, down from 35 parts per billion in 2009. The annual emissions of NO2 in the year decreased over the years; the value recorded in the last three years was the lowest in the past decade.
Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2022
(in parts per billion)
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ME (South Korea). (August 9, 2024). Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2022 (in parts per billion) [Graph]. In Statista. Retrieved December 22, 2024, from https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/
ME (South Korea). "Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2022 (in parts per billion)." Chart. August 9, 2024. Statista. Accessed December 22, 2024. https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/
ME (South Korea). (2024). Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2022 (in parts per billion). Statista. Statista Inc.. Accessed: December 22, 2024. https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/
ME (South Korea). "Annual Air Pollution Level of Nitrogen Dioxide (No2) in Seoul in South Korea from 2009 to 2022 (in Parts per Billion)." Statista, Statista Inc., 9 Aug 2024, https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/
ME (South Korea), Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2022 (in parts per billion) Statista, https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/ (last visited December 22, 2024)
Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2022 (in parts per billion) [Graph], ME (South Korea), August 9, 2024. [Online]. Available: https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/
