Are PM2.5 in the Atmosphere of a Small City a Threat for Health?

Autor: Varvara Pantelidou, Spyridon Rapsomanikis, Zoi Panagiota Kryona, Glykeria Loupa
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Sustainability, Vol 13, Iss 11329, p 11329 (2021)
Sustainability
Volume 13
Issue 20
ISSN: 2071-1050
Popis: A number of time series from two local PM2.5 monitoring stations were analyzed, for a small city, in North East Greece. They coincided with SARS-CoV-2 pandemic lockdowns and lifting restrictions. The aim of this analysis was to establish concentration exceedances and roughly apportion sources of the PM2.5 concentration problem. This was established by analyzing 24-h filter samples of trace elements using WD-XRF. It was found that the restrictions and their lifting did not significantly affect these concentrations. The main problems were assigned to emissions from biomass burning central heating and Saharan dust episodes. The study results indicate that even in small cities the air quality as far as PM2.5 is concerned can still be deleterious to the local population according to the WHO restricting levels but not according to the EU levels. The fact that PM2.5 is not a single chemical pollutant makes matters more complicated and renders such concentration upper levels, of little significance.
Databáze: OpenAIRE