It comes as no surprise that Barcelona, the second-largest city in Spain, is also amongst the most polluted in the country. In 2022, Barcelona's air quality station in L'Eixample registered a record nitrogen dioxide (NO₂) concentration of 42.2 micrograms per cubic meter of air (µg/m³). Meanwhile, out of the 33 air quality stations in Spain's capital Madrid, six had recorded nitrogen dioxide emissions ranking in the country's top 15.
Average nitrogen dioxide (NO₂) concentrations in the most polluted cities in Spain in 2022
(in micrograms per cubic meter of air)
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EEA. (September 27, 2023). Average nitrogen dioxide (NO₂) concentrations in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air) [Graph]. In Statista. Retrieved December 19, 2024, from https://www.statista.com/statistics/1322331/most-polluted-cities-based-on-nitrogen-dioxide-concentration-spain/
EEA. "Average nitrogen dioxide (NO₂) concentrations in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air)." Chart. September 27, 2023. Statista. Accessed December 19, 2024. https://www.statista.com/statistics/1322331/most-polluted-cities-based-on-nitrogen-dioxide-concentration-spain/
EEA. (2023). Average nitrogen dioxide (NO₂) concentrations in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air). Statista. Statista Inc.. Accessed: December 19, 2024. https://www.statista.com/statistics/1322331/most-polluted-cities-based-on-nitrogen-dioxide-concentration-spain/
EEA. "Average Nitrogen Dioxide (No₂) Concentrations in The Most Polluted Cities in Spain in 2022 (in Micrograms per Cubic Meter of Air)." Statista, Statista Inc., 27 Sep 2023, https://www.statista.com/statistics/1322331/most-polluted-cities-based-on-nitrogen-dioxide-concentration-spain/
EEA, Average nitrogen dioxide (NO₂) concentrations in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air) Statista, https://www.statista.com/statistics/1322331/most-polluted-cities-based-on-nitrogen-dioxide-concentration-spain/ (last visited December 19, 2024)
Average nitrogen dioxide (NO₂) concentrations in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air) [Graph], EEA, September 27, 2023. [Online]. Available: https://www.statista.com/statistics/1322331/most-polluted-cities-based-on-nitrogen-dioxide-concentration-spain/
