Journal
APPLIED SCIENCES-BASEL
Volume 13, Issue 13, Pages -Publisher
MDPI
DOI: 10.3390/app13137444
Keywords
heavy metals; urban road dust; health risk; road traffic; pollution
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Urban road dust is a significant contributor to air pollution and poses a major threat to human health. In Poland, the problem of urban road dust is exacerbated by the use of outdated transportation systems. This study analyzed the levels of heavy metals in two regions of Poland and assessed the pollution sources using various indices. The findings suggest that both regions are heavily polluted in winter, with higher levels of URD-bound elements in Upper Silesia.
Urban road dust is an increasingly important source of air pollution and poses a serious threat to human health. In Poland, the urban road dust (URD) problem is enhanced by the use of old generation transport vehicles and transport systems. Seasonal variation in URD-bound elements is not well-known in Poland and controlling their pollution level can be a tough task. Therefore, studies on winter dust pollution will help to understand the sources of URD and take appropriate measures to reduce road dust emissions in the future. We analysed the relative content of heavy metals in two representative regions of Poland, Lower and Upper Silesia, and evaluated the sources of the contamination with the following pollution indices: Enrichment Factor (EF), Geoaccumulation Index (Igeo), pollution index (PI), and Pollution Load Index (PLI). We assessed the health risk for inhabitants due to the exposure to toxic metals through URD. We found that both studied regions are quite heavily polluted in winter. Our studies clearly show that the URD-bound elements level is much higher in Upper Silesia than in Lower Silesia in winter. The results of this study are useful for researchers to bridge the gap on the pollution of elements in URD from Poland, where there is a lack of such data.
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