Lucyna Samek, Jakub Bartyzel, Vania Martins, Michail Lazaridis, Mirosław Zimnoch, Anna Ryś, Susana Marta Almeida
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The influence of COVID-19 pandemic on deposited dose of outdoor particulate matter in human respiratory tract: A case study from Krakow, Southern Poland
PM10 concentrations in Krakow have decreased by about 50% during the last decade, however, high levels of air pollution are still observed in this Polish city especially during wintertime. Poland’s first official COVID-19 case was detected in March 2020, and subsequently the first restrictions to reduce transmission were implemented. The aim of this study was to assess the influence of the COVID-19 lockdown on the mass concentrations of Airborne Particulate Matter (APM) as well as on the deposited dose of particles in Human Respiratory Tract (HRT). For that the hourly particle number and mass concentrations of 10 size fractions of APM were assessed in 2019 (before pandemic) and 2022 (during pandemic) and the deposited dose of particles in the HRT was determined through the dosimetry model ExDoM2. Results showed that the concentrations of PM2.5 and PM2.5−10 did not alter significantly in the two periods and that the daily PM dose in the HRT did not decrease during the lockdown. These results provided important information for policy design in the environment, energy, transport, industry and health sectors once they indicated that the main source of APM in the city was associated with residential combustion and therefore it is essential to continue the investment in cleaner energy in the residential sector.
期刊介绍：
Air Quality, Atmosphere, and Health is a multidisciplinary journal which, by its very name, illustrates the broad range of work it publishes and which focuses on atmospheric consequences of human activities and their implications for human and ecological health.
It offers research papers, critical literature reviews and commentaries, as well as special issues devoted to topical subjects or themes.
International in scope, the journal presents papers that inform and stimulate a global readership, as the topic addressed are global in their import. Consequently, we do not encourage submission of papers involving local data that relate to local problems. Unless they demonstrate wide applicability, these are better submitted to national or regional journals.
Air Quality, Atmosphere & Health addresses such topics as acid precipitation; airborne particulate matter; air quality monitoring and management; exposure assessment; risk assessment; indoor air quality; atmospheric chemistry; atmospheric modeling and prediction; air pollution climatology; climate change and air quality; air pollution measurement; atmospheric impact assessment; forest-fire emissions; atmospheric science; greenhouse gases; health and ecological effects; clean air technology; regional and global change and satellite measurements.
This journal benefits a diverse audience of researchers, public health officials and policy makers addressing problems that call for solutions based in evidence from atmospheric and exposure assessment scientists, epidemiologists, and risk assessors. Publication in the journal affords the opportunity to reach beyond defined disciplinary niches to this broader readership.
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