Articles | Volume 20, issue 24
https://doi.org/10.5194/acp-20-15725-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-20-15725-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
17 Dec 2020
Research article |
| 17 Dec 2020
| 17 Dec 2020
What can we learn about urban air quality with regard to the first outbreak of the COVID-19 pandemic? A case study from central Europe
Institute of Chemistry, Eötvös University, Budapest, Hungary
Máté Vörösmarty
Institute of Chemistry, Eötvös University, Budapest, Hungary
András Zénó Gyöngyösi
Institute of Chemistry, Eötvös University, Budapest, Hungary
Wanda Thén
Hevesy György PhD School of Chemistry, Eötvös University, Budapest, Hungary
Tamás Weidinger
Department of Meteorology, Eötvös University, Budapest,
Hungary
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Short summary
Motor vehicle road traffic in Budapest was reduced by approximately 50% of its ordinary level due to COVID-19. In parallel, concentrations of most criteria air pollutants declined by 30–60%. Change rates of NO and NO2 with relative change in traffic intensity were the largest, total particle number concentration showed considerable dependency, while particulate matter mass concentrations did not appear to be related to urban traffic. Concentrations of O3 showed an increasing tendency.
Motor vehicle road traffic in Budapest was reduced by approximately 50% of its ordinary level...
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