Spatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria

This study assessed the spatial disposition of air pollutants and their relationship with meteorological parameters in urban slum settlements of Lagos city. The gaseous pollutants were quantified using a gas analyzer, and the PM<sub>2.5</sub> concentration and meteorological parameters w...

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Autores principales:	Oluwaseun Princess Okimiji, Kuaanan Techato, John Nyandansobi Simon, Opeyemi Oluwaseun Tope-Ajayi, Angela Tochukwu Okafor, Moses Akintayo Aborisade, Khamphe Phoungthong
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	ambient air pollution strategies slum settlements meteorology parameters GIS Meteorology. Climatology QC851-999
Acceso en línea:	https://doaj.org/article/a054b568327c454fb36a38802528bdf6
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spelling	oai:doaj.org-article:a054b568327c454fb36a38802528bdf62021-11-25T16:44:34ZSpatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria10.3390/atmos121114262073-4433https://doaj.org/article/a054b568327c454fb36a38802528bdf62021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4433/12/11/1426https://doaj.org/toc/2073-4433This study assessed the spatial disposition of air pollutants and their relationship with meteorological parameters in urban slum settlements of Lagos city. The gaseous pollutants were quantified using a gas analyzer, and the PM<sub>2.5</sub> concentration and meteorological parameters were determined using an Air Metric Sampler and Wind Mate, respectively. SPSS for Windows and ArcGIS were used for data analysis. The results revealed that the seasonal variations in SO<sub>2</sub>, NO<sub>2</sub>, CO<sub>2</sub>, and PM<sub>2.5</sub> showed a higher level of air pollutant concentration during the dry season than during the wet season. During the wet season, a significant correlation was observed between PM<sub>2.5</sub> and temperature at the 1% level (0.957 *), and VOC and SO<sub>2</sub> (0.907 ) at the 5% level; during the dry season, significant correlations were observed between NO<sub>2</sub> and SO<sub>2</sub> at the 1% level (0.9477 *), and PM<sub>2.5</sub> and relative humidity (0.832 ) at the 5% level. Atmospheric pressure (72%), temperature (60%), and relative humidity (98.4) were the primary meteorological factors affecting air pollutants such as VOC, CO<sub>2</sub>, and SO<sub>2</sub>. The spatial dispersal of air pollutants revealed a high Z score and a moderate <i>p</i>-value, indicating hot spot locations throughout the five selected slum settlements. It is recommended that regular monitoring based on quantifiable economic costs that are beneficial to the well-being of the populace be investigated, and policy-based initiatives for air pollution control based on scientific evidence be advocated for.Oluwaseun Princess OkimijiKuaanan TechatoJohn Nyandansobi SimonOpeyemi Oluwaseun Tope-AjayiAngela Tochukwu OkaforMoses Akintayo AborisadeKhamphe PhoungthongMDPI AGarticleambient airpollution strategiesslum settlementsmeteorology parametersGISMeteorology. ClimatologyQC851-999ENAtmosphere, Vol 12, Iss 1426, p 1426 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	ambient air pollution strategies slum settlements meteorology parameters GIS Meteorology. Climatology QC851-999
spellingShingle	ambient air pollution strategies slum settlements meteorology parameters GIS Meteorology. Climatology QC851-999 Oluwaseun Princess Okimiji Kuaanan Techato John Nyandansobi Simon Opeyemi Oluwaseun Tope-Ajayi Angela Tochukwu Okafor Moses Akintayo Aborisade Khamphe Phoungthong Spatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria
description	This study assessed the spatial disposition of air pollutants and their relationship with meteorological parameters in urban slum settlements of Lagos city. The gaseous pollutants were quantified using a gas analyzer, and the PM<sub>2.5</sub> concentration and meteorological parameters were determined using an Air Metric Sampler and Wind Mate, respectively. SPSS for Windows and ArcGIS were used for data analysis. The results revealed that the seasonal variations in SO<sub>2</sub>, NO<sub>2</sub>, CO<sub>2</sub>, and PM<sub>2.5</sub> showed a higher level of air pollutant concentration during the dry season than during the wet season. During the wet season, a significant correlation was observed between PM<sub>2.5</sub> and temperature at the 1% level (0.957 *), and VOC and SO<sub>2</sub> (0.907 ) at the 5% level; during the dry season, significant correlations were observed between NO<sub>2</sub> and SO<sub>2</sub> at the 1% level (0.9477 *), and PM<sub>2.5</sub> and relative humidity (0.832 ) at the 5% level. Atmospheric pressure (72%), temperature (60%), and relative humidity (98.4) were the primary meteorological factors affecting air pollutants such as VOC, CO<sub>2</sub>, and SO<sub>2</sub>. The spatial dispersal of air pollutants revealed a high Z score and a moderate <i>p</i>-value, indicating hot spot locations throughout the five selected slum settlements. It is recommended that regular monitoring based on quantifiable economic costs that are beneficial to the well-being of the populace be investigated, and policy-based initiatives for air pollution control based on scientific evidence be advocated for.
format	article
author	Oluwaseun Princess Okimiji Kuaanan Techato John Nyandansobi Simon Opeyemi Oluwaseun Tope-Ajayi Angela Tochukwu Okafor Moses Akintayo Aborisade Khamphe Phoungthong
author_facet	Oluwaseun Princess Okimiji Kuaanan Techato John Nyandansobi Simon Opeyemi Oluwaseun Tope-Ajayi Angela Tochukwu Okafor Moses Akintayo Aborisade Khamphe Phoungthong
author_sort	Oluwaseun Princess Okimiji
title	Spatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria
title_short	Spatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria
title_full	Spatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria
title_fullStr	Spatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria
title_full_unstemmed	Spatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria
title_sort	spatial pattern of air pollutant concentrations and their relationship with meteorological parameters in coastal slum settlements of lagos, southwestern nigeria
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a054b568327c454fb36a38802528bdf6
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Spatial Pattern of Air Pollutant Concentrations and Their Relationship with Meteorological Parameters in Coastal Slum Settlements of Lagos, Southwestern Nigeria

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