Odekanle, E. L and Fakinle, B. S and Akeredolu, F. A and Sonibare, J. A and Adesanmi, A. J Personal exposures to particulate matter in various modes of transport in Lagos city, Nigeria. Cogent Environmental Science, 2 (126085).
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Abstract
Urban air pollution continues to be a major problem in Nigerian cities. Most studies of air pollution in Nigeria have concentrated on the background air quality and its effects on people outside vehicles. However, it has been suggested that in-vehicle pollution is often worse than pollution outside the vehicle. This study focuses on personal exposures to PM10 and PM2.5 in various modes of transportation in Lagos city. Six roadways which are representative of commercial, industrial, and residential areas of the city were selected. Measurements were made inside four major modes of transportation in the city: cars, buses, Bus Rapid Transit (BRT), and walking for PM10 and PM2.5. Measurements were done for each mode twice a day (morning and afternoon) for 12 days. The highest average PM10 and PM2.5 concentrations were measured for pedestrian (476.35 and 216.60 μg/m3, respectively) during rush hours. The result showed that pedestrians were found to be exposed to the highest average PM10 and PM2.5 concentrations, while commuters in cars, BRT and buses were exposed to respective decreasing concentrations of PM10. Similarly, commuters in BRT were exposed to the lowest concentrations of PM2.5 regardless of time of day. The results obtained were much higher than the results for London but comparable to Mexico city and Taiwan’s results. This study has provided information that can help commuters to choose appropriate travel behavior that can minimize their exposure to particulate matter.
| Item Type: | Article |
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| Subjects: | T Technology > TP Chemical technology |
| Depositing User: | Dr B. S Fakinle |
| Date Deposited: | 12 Jul 2017 16:29 |
| Last Modified: | 12 Jul 2017 16:29 |
| URI: | https://eprints.lmu.edu.ng/id/eprint/717 |
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