Volatile Organic Compound Composition of Urban Air in Nairobi, Kenya and Lagos, Nigeria

نویسندگان

چکیده

Sub-Saharan Africa is seeing rapid urbanization, with the population of cities such as Lagos and Nairobi growing at a rate 3–4% year. The region extremely under-sampled for all air pollutants, particularly VOCs, which are useful markers source apportionment well toxic in their own right. There many contributors to pollution region, studies examining fine particulate implicate traffic primary urban areas. In this pilot study, VOCs were analysed selection roadside background locations Lagos, 74 quantified. GC×GC–MS/FID analysis revealed dominated by hydrocarbons typical vehicle emissions, aromatic benzene toluene among most abundant VOCs. Typical personal exposure scenarios citizens calculated far exceed those resident city Europe/US. Finally, ozone forming potential measured was found be similarly high other large studied similar problems. Further study therefore essential determine full extent VOC its impact on tropospheric chemistry.

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ژورنال

عنوان ژورنال: Atmosphere

سال: 2021

ISSN: ['2073-4433']

DOI: https://doi.org/10.3390/atmos12101329