Articles | Volume 23, issue 5
https://doi.org/10.5194/acp-23-2963-2023
https://doi.org/10.5194/acp-23-2963-2023
Research article
 | 
06 Mar 2023
Research article |  | 06 Mar 2023

Characterization of volatile organic compounds and submicron organic aerosol in a traffic environment

Sanna Saarikoski, Heidi Hellén, Arnaud P. Praplan, Simon Schallhart, Petri Clusius, Jarkko V. Niemi, Anu Kousa, Toni Tykkä, Rostislav Kouznetsov, Minna Aurela, Laura Salo, Topi Rönkkö, Luis M. F. Barreira, Liisa Pirjola, and Hilkka Timonen

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Latest update: 18 Apr 2025
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Short summary
This study elucidates properties and sources of volatile organic compounds (VOCs) and organic aerosol (OA) in a traffic environment. Anthropogenic VOCs (aVOCs) were clearly higher than biogenic VOCs (bVOCs), but bVOCs produced a larger portion of oxidation products. OA consisted mostly of oxygenated OA, representing secondary OA (SOA). SOA was partly associated with bVOCs, but it was also related to long-range transport. Primary OA originated mostly from traffic.
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