cc-by-4.0Okuljar, MagdalenaGarmash, OlgaOlin, MiskaKalliokoski, JoniTimonen, HilkkaNiemi, Jarkko V.Paasonen, PauliKontkanen, JenniZhang, YanjunHellén, HeidiKuuluvainen, HeinoAurela, MinaManninen, Hanna E.Sipilä, MikkoRönkkö, TopiPetäjä, TuukkaKulmala, MarkkuDal Maso, MiikkaEhn, Mikael2025-03-242023-08-292023-08-29https://hydatakatalogi-test-24.it.helsinki.fi/handle/123456789/10391This dataset supplements the following manuscript: Okuljar, M., Garmash, O., Olin, M., Kalliokoski, J., Timonen, H., Niemi, J. V., Paasonen, P., Kontkanen, J., Zhang, Y., Hellén, H., Kuuluvainen, H., Aurela, M., Manninen, H. E., Sipilä, M., Rönkkö, T., Petäjä, T., Kulmala, M., Dal Maso, M., and Ehn, M.: Influence of anthropogenic emissions on the composition of highly oxygenated organic molecules in Helsinki: a street canyon and urban background station comparison, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2023-524, 2023.Openurban air qualitycondesable vaporsmass spectrometryHOMDataset from 'Influence of anthropogenic emissions on the composition of highly oxygenated organic molecules in Helsinki: a street canyon and urban background station comparison'dataset