In 2019, the air pollution level of NO2 in Seoul amounted to 28 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 2018 and 2019 was the lowest in the past decade.
Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2019
(in parts per billion)
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ME (South Korea). (July 31, 2021). Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2019 (in parts per billion) [Graph]. In Statista. Retrieved January 29, 2022, 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 2019 (in parts per billion)." Chart. July 31, 2021. Statista. Accessed January 29, 2022. https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/
ME (South Korea). (2021). Annual air pollution level of nitrogen dioxide (NO2) in Seoul in South Korea from 2009 to 2019 (in parts per billion). Statista. Statista Inc.. Accessed: January 29, 2022. 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 2019 (in Parts per Billion)." Statista, Statista Inc., 31 Jul 2021, 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 2019 (in parts per billion) Statista, https://www.statista.com/statistics/1016259/south-korea-no2-air-pollution-level-seoul/ (last visited January 29, 2022)
