Abstract
This article aimed to investigate the coronavirus pandemic's impact on air quality in Poland. The study used data from 2015–2023 from measurement stations located in five large Polish cities with different geographical locations. The data concerned particulate matter (PM2.5, PM10) and nitrogen oxides (NOx). On the basis of the statistical analyses performed, a decrease in the amount of all types of pollutants was found in 2020, with a reduction in the concentration of NOx being statistically significant only for two of the three cities studied (Kraków and Wrocław). It was concluded that the restrictions introduced in relation to the SARS-CoV-2 virus may have contributed to an improvement in air quality in Polish cities compared to previous years.
Published Version
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