PM10-bound trace elements in pan-European urban atmosphere

Although many studies have discussed the impact of Europe's air quality, very limited research focused on the detailed phenomenology of ambient trace elements (TEs) in PM10 in urban atmosphere. This study compiled long-term (2013–2022) measurements of speciation of ambient urban PM10 from 55 si...

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Published in:Environmental research 2024-11, Vol.260, p.119630, Article 119630
Main Authors: Liu, Xiansheng, Zhang, Xun, Wang, Tao, Jin, Bowen, Wu, Lijie, Lara, Rosa, Monge, Marta, Reche, Cristina, Jaffrezo, Jean-Luc, Uzu, Gaelle, Dominutti, Pamela, Darfeuil, Sophie, Favez, Olivier, Conil, Sébastien, Marchand, Nicolas, Castillo, Sonia, de la Rosa, Jesús D., Stuart, Grange, Eleftheriadis, Konstantinos, Diapouli, Evangelia, Gini, Maria I., Nava, Silvia, Alves, Célia, Wang, Xianxia, Xu, Yiming, Green, David C., Beddows, David C.S., Harrison, Roy M., Alastuey, Andrés, Querol, Xavier
Format: Article
Language:English
Subjects:
Elements
Environmental Sciences
Europe
Self-organizing maps
Spatiotemporal variability
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Summary:Although many studies have discussed the impact of Europe's air quality, very limited research focused on the detailed phenomenology of ambient trace elements (TEs) in PM10 in urban atmosphere. This study compiled long-term (2013–2022) measurements of speciation of ambient urban PM10 from 55 sites of 7 countries (Switzerland, Spain, France, Greece, Italy, Portugal, UK), aiming to elucidate the phenomenology of 20 TEs in PM10 in urban Europe. The monitoring sites comprised urban background (UB, n = 26), traffic (TR, n = 10), industrial (IN, n = 5), suburban background (SUB, n = 7), and rural background (RB, n = 7) types. The sampling campaigns were conducted using standardized protocols to ensure data comparability. In each country, PM10 samples were collected over a fixed period using high-volume air samplers. The analysis encompassed the spatio-temporal distribution of TEs, and relationships between TEs at each site. Results indicated an annual average for the sum of 20 TEs of 90 ± 65 ng/m3, with TR and IN sites exhibiting the highest concentrations (130 ± 66 and 131 ± 80 ng/m3, respectively). Seasonal variability in TEs concentrations, influenced by emission sources and meteorology, revealed significant differences (p 
ISSN:0013-9351
1096-0953
1096-0953
DOI:10.1016/j.envres.2024.119630