Journal of Atmospheric Pollution
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Journal of Atmospheric Pollution. 2017, 5(1), 1-8
DOI: 10.12691/jap-5-1-1
Open AccessArticle

Variability of Meteorological Factors on In-cabin and Pedestrians Exposures to CO and VOC in South-west Nigeria

E.L. Odekanle1, , M.A. Adeyeye1, F.A. Akeredolu1, J.A. Sonibare1, I.M. Oloko-Oba2, O.E. Abiye3, D.A. Isadare4 and A.A. Daniyan4

1Environmental Engineering Research Laboratory, Department of Chemical Engineering, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria

2African Regional Centre for Space Science and Technolgy Education in English (ARCSSTE-E), Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria

3Centre for Energy Research and Development (CERD), Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria

4Department of Material Science and Engineering, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria

Pub. Date: March 13, 2017

Cite this paper:
E.L. Odekanle, M.A. Adeyeye, F.A. Akeredolu, J.A. Sonibare, I.M. Oloko-Oba, O.E. Abiye, D.A. Isadare and A.A. Daniyan. Variability of Meteorological Factors on In-cabin and Pedestrians Exposures to CO and VOC in South-west Nigeria. Journal of Atmospheric Pollution. 2017; 5(1):1-8. doi: 10.12691/jap-5-1-1

Abstract

One of the major environmental challenges in Nigerian big cities is air pollution. This study examined the influence of meteorological factors on in-cabin and pedestrian exposures to gaseous pollutants in various modes of transportation in Lagos City, South West Nigeria in other to establish their linear relationship. The pollutants were CO, VOCs, while the meteorological factors were wind, temperature and relative humidity. Measurements were made inside four major modes of transportation in the city: cars, buses, Bus Rapid Transit (BRT) and walking for CO and VOC. Measurements were done for each mode twice a day (morning and afternoon) between November 3, 2013 and January 6, 2014 (except on Sundays). The relationship between the meteorological parameters and the pollutants’ concentrations was obtained using multiple linear regression model. The result and analysis revealed that CO and VOCs have negative correlations with temperature in all modes of transportation selected while they have positive correlations with relative humidity. It was also revealed that there is statistically meaningful difference between CO concentrations and temperature.

Keywords:
commuters air quality pedestrian meteorological factors CO VOC

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