In 2021, the air pollution level of NO2 in Seoul amounted to 23 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 2021
(in parts per billion)
Characteristic
NO2 in parts per billion
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ME (South Korea). (June 30, 2023). Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2021 (in parts per billion) [Graph]. In Statista. Retrieved July 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 2021 (in parts per billion)." Chart. June 30, 2023. Statista. Accessed July 22, 2024. https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/
ME (South Korea). (2023). Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2021 (in parts per billion). Statista. Statista Inc.. Accessed: July 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 2021 (in Parts per Billion)." Statista, Statista Inc., 30 Jun 2023, 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 2021 (in parts per billion) Statista, https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/ (last visited July 22, 2024)
Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2021 (in parts per billion) [Graph], ME (South Korea), June 30, 2023. [Online]. Available: https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/