干旱区生态环境知识资源中心(Arid): Tempo-Spatial Variability and Health Risks of PM2.5 and Associated Metal(loid)s in Greater Cairo, Egypt

Arid

DOI	10.1007/s12403-023-00603-7
	Tempo-Spatial Variability and Health Risks of PM2.5 and Associated Metal(loid)s in Greater Cairo, Egypt
	Shetaya, Waleed H.; El-Mekawy, Asmaa; Hassan, Salwa K.
通讯作者	Shetaya, WH ; Hassan, SK
来源期刊	EXPOSURE AND HEALTH
ISSN	2451-9766
EISSN	2451-9685
出版年	2024
卷号	16 期号:4 页码:973-988
英文摘要	Greater Cairo is one of the largest metropolitan areas in the world, yet the tempo-spatial trends of PM2.5 and loaded metal(loid)s) in its atmosphere, and their potential health risks, are poorly understood. We investigated the air concentrations of PM2.5, and associated Al, As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, V and Zn, in one urban and one industrial locations within Greater Cairo for one year in each location. Statistical analysis suggested that PM2.5 and its chemical composition in Greater Cairo are more influenced by land-use and local activities rather than meteorological conditions. Both annual and daily levels of PM2.5 were well above the WHO air quality guidelines, with annual averages of c. 37 and 56 mu g m(-3), and daily maximums of 165 and 176 mu g m(-3), in the urban and industrial areas, respectively. This indicates high probability of PM2.5 inflicted short- and long-term health risks to the population of Greater Cairo. Health risk modelling indicated that the residents of Greater Cairo are facing high non-carcinogenic and carcinogenic risks (up to 47 and 28 times the recommended hazard indices, respectively) from the studied 12 metal(loid)s combined. Lead (Pb) was the highest single threat to the health of Greater Cairo residents amounting up to 56% and 83% of the total non-carcinogenic and carcinogenic risks, respectively. Nevertheless, most of the exposure to Pb originated from ingestion rather than inhalation which was marginal. For all elements combined, and for some other individual elements, inhalation was a significant route of exposure but only for non-carcinogenic risks. For carcinogenic risks, the contribution of inhalation to the total risk was negligible.
英文关键词	Air pollution Particulate matter Toxic elements Mega cities Arid zone
类型	Article
语种	英语
开放获取类型	hybrid
收录类别	SCI-E
WOS记录号	WOS:001099805100001
WOS关键词	PARTICULATE MATTER PM2.5 ; TRACE-ELEMENTS ; AIR-POLLUTION ; HEAVY-METALS ; SOURCE APPORTIONMENT ; HOSPITAL ADMISSIONS ; PM2.5-BOUND METALS ; ALUMINUM TOXICITY ; RESIDENTIAL AREAS ; AMBIENT PM2.5
WOS类目	Water Resources
WOS研究方向	Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/403715
推荐引用方式 GB/T 7714	Shetaya, Waleed H.,El-Mekawy, Asmaa,Hassan, Salwa K.. Tempo-Spatial Variability and Health Risks of PM2.5 and Associated Metal(loid)s in Greater Cairo, Egypt[J],2024,16(4):973-988.
APA	Shetaya, Waleed H.,El-Mekawy, Asmaa,&Hassan, Salwa K..(2024).Tempo-Spatial Variability and Health Risks of PM2.5 and Associated Metal(loid)s in Greater Cairo, Egypt.EXPOSURE AND HEALTH,16(4),973-988.
MLA	Shetaya, Waleed H.,et al."Tempo-Spatial Variability and Health Risks of PM2.5 and Associated Metal(loid)s in Greater Cairo, Egypt".EXPOSURE AND HEALTH 16.4(2024):973-988.