Long-term air quality trends of regulated pollutants in Helsinki metropolitan area in 1994-2019 and implications to air quality index

• Main Authors: Sillanpää, Salla, Fung, P.L, Niemi, J.V., Kousa, A, Kangas, L, Zaidan, M.A., Timonen, H, Kulmala, M., Petäjä, T, Hussein, T
• Other Authors: Ilmatieteen laitos, Finnish Meteorological Institute
• Format: Article in Journal/Newspaper
• Language: English
• Published: Finnish Environment Institute 2022
• Subjects: air quality; polutants; Helsinki; Kendall; Boreal Environment Research
• Online Access: http://hdl.handle.net/10138/343590

Long-term trends of ambient gaseous pollutants and particulate matter in Helsinki metropolitan area were analyzed from 1994 to 2019. Measurement data from ten monitoring stations located in different types of urban environments including traffic, urban background, rural background, and suburban area...