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- Egondi, ThaddaeusUmeå universitet,Epidemiologi och global hälsa,African Population and Health Research Center, P.O. Box 10787-00100, Nairobi, Kenya (author)
Measuring exposure levels of inhalable airborne particles (PM2.5) in two socially deprived areas of Nairobi, Kenya
- Article/chapterEnglish2016
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- Elsevier BV,2016
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- LIBRIS-ID:oai:DiVA.org:umu-106854
- https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-106854URI
- https://doi.org/10.1016/j.envres.2016.03.018DOI
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- Language:English
- Summary in:English
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- Introduction: Ambient air pollution is a growing global health concern tightly connected to the rapid global urbanization. Health impacts from outdoor air pollution exposure amounts to high burdens of deaths and disease worldwide. However, the lack of systematic collection of air pollution and health data in many low-and middle-income countries remains a challenge for epidemiological studies in the local environment. This study aimed to provide a description of the particulate matter (PM2.5) concentration in the poorest urban residential areas of Nairobi, Kenya. Methods: Real-time measurements of (PM2.5) were conducted in two urban informal settlements of Nairobi City, Kenya"s Capital, from February 2013 to October 2013. The measurements were conducted using DustTrak II 8532 hand-held samplers at a height of about 1.5 m above ground level with a resolution of 1-min logging. Sampling took place from early morning to evenings according to a fixed route of measurement within areas including fixed geographical checkpoints. Results: The study period average concentration of PM2.5 was 166 mu g/m(3) in the Korogocho area and 67 mu g/m(3) in the Viwandani area. The PM2.5 levels in both areas reached bimodal daily peaks in the morning and evening. The average peak value of morning concentration in Korogocho was 214 mu g/m(3), and 164 mu g/m(3) in the evening and in Viwandani was 76 mu g/m(3) and 82 mu g/m(3) respectively. The daily midday average low observed during was 146 mu g/m(3) in Korogocho and 59 mu g/m(3) in Viwandani. Conclusion: The results show that residents in both slums are continuously exposed to PM2.5 levels exceeding hazardous levels according to World Health Organization guidelines. The study showed a marked disparity between the two slum areas situated only 7 km apart indicating the local situation and sources to be very important for exposure to PM2.5.
Subject headings and genre
- MEDICIN OCH HÄLSOVETENSKAP Hälsovetenskap Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi hsv//swe
- MEDICAL AND HEALTH SCIENCES Health Sciences Public Health, Global Health, Social Medicine and Epidemiology hsv//eng
- Particulate matter
- Urban pollution
- Exposure
- Air pollution
- Assessment
- Slum; PM2.5
- Low- and middle-income country
Added entries (persons, corporate bodies, meetings, titles ...)
- Muindi, KanyivaUmeå universitet,Epidemiologi och global hälsa,African Population and Health Research Center, P.O. Box 10787-00100, Nairobi, Kenya(Swepub:umu)frka0051 (author)
- Kyobutungi, C (author)
- Gatari, M (author)
- Rocklöv, JoacimUmeå universitet,Epidemiologi och global hälsa(Swepub:umu)joro0003 (author)
- Umeå universitetEpidemiologi och global hälsa (creator_code:org_t)
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- In:Environmental Research: Elsevier BV148, s. 500-5060013-93511096-0953
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