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IQAir. (March 22, 2023). Average PM2.5 concentration in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 20, 2026, from /statistics/1322312/most-polluted-cities-based-on-pm25-concentration-spain/
IQAir. "Average PM2.5 concentration in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air)." Chart. March 22, 2023. ÌÇÐÄÆÆ½â°æ. Accessed July 20, 2026. /statistics/1322312/most-polluted-cities-based-on-pm25-concentration-spain/
IQAir. (2023). Average PM2.5 concentration in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 20, 2026. /statistics/1322312/most-polluted-cities-based-on-pm25-concentration-spain/
IQAir. "Average Pm2.5 Concentration in The Most Polluted Cities in Spain in 2022 (in Micrograms per Cubic Meter of Air)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 22 Mar 2023, /statistics/1322312/most-polluted-cities-based-on-pm25-concentration-spain/
IQAir, Average PM2.5 concentration in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air) ÌÇÐÄÆÆ½â°æ, /statistics/1322312/most-polluted-cities-based-on-pm25-concentration-spain/ (last visited July 20, 2026)
Average PM2.5 concentration in the most polluted cities in Spain in 2022 (in micrograms per cubic meter of air) [Graph], IQAir, March 22, 2023. [Online]. Available: /statistics/1322312/most-polluted-cities-based-on-pm25-concentration-spain/