Articles | Volume 21, issue 13
Atmos. Chem. Phys., 21, 9931–9953, 2021
https://doi.org/10.5194/acp-21-9931-2021
Atmos. Chem. Phys., 21, 9931–9953, 2021
https://doi.org/10.5194/acp-21-9931-2021
Measurement report
02 Jul 2021
Measurement report | 02 Jul 2021

Measurement report: The influence of traffic and new particle formation on the size distribution of 1–800 nm particles in Helsinki – a street canyon and an urban background station comparison

Magdalena Okuljar et al.

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Latest update: 05 Dec 2022
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Short summary
To estimate the relative contribution of different sources to the particle population in an urban environment, we conducted simultaneous measurements at a street canyon and an urban background station in Helsinki. We investigated the contribution of traffic and new particle formation to particles with a diameter between 1 and 800 nm. We found that during spring traffic does not dominate the particles smaller than 3 nm at either of the stations.
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