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Journal article ✓ Peer-reviewed Open access Published 2025

Factors influencing spatiotemporal variability of NO2 concentration in urban area: a GIS and remote sensing–based approach

Environmental Monitoring and Assessment, vol. 197, no. 2 · Springer Science and Business Media LLC

2025Year
12Citations
4Authors
1 minAbstract read
8Keywords

Abstract

Abstract The growing global attention on urban air quality underscores the need to understand the spatial and temporal dynamics of nitrogen dioxide (NO2), especially in cities like Dhaka (Gazipur), Bangladesh, known for having some of the world's poorest air quality. The present study utilizes the Tropospheric Monitoring Instrument (TROPOMI) on the Sentinel-5P (S5P) satellite and Google Earth Engine (GEE) to analyse NO2 concentrations in Gazipur, Bangladesh, from 2019 to 2022. Utilizing S5P TROPOMI data, we investigate the correlations between NO2 levels and various environmental factors, including land surface temperature (LST), normalized difference vegetation index (NDVI), land use and land cover (LULC), population density, road density, settlement density, and industry density. Our results reveal significant seasonal variations, with peak NO2 levels during pre-monsoon and post-monsoon periods and the lowest levels during monsoon seasons. The study demonstrates a positive correlation between NO2 concentrations and LST, road density, settlement density, and industrial density, and a negative correlation with NDVI. These findings underscore the detrimental impact of rapid urbanization and deforestation on air quality. Through linear regression analysis, we highlight the influence of these environmental factors on NO2 levels, providing a comprehensive understanding of the urban pollution dynamics in a rapidly growing city. This research offers critical insights for policymakers and urban planners, advocating for enhanced green infrastructure, stringent emission controls, and sustainable urban development strategies to mitigate air pollution in Gazipur. Our methodological approach and findings contribute to the broader discourse on urban air quality management in developing countries.

Keywords

Publication details

TypeJournal article · peer-reviewed
TitleFactors influencing spatiotemporal variability of NO2 concentration in urban area: a GIS and remote sensing–based approach
JournalEnvironmental Monitoring and Assessment
PublisherSpringer Science and Business Media LLC
Volume197
Issue2
Article no.167
PublishedJanuary 2025
StatusPublished
Authors4 — Jubaer, Al, Rakib Hossain, Afzal Ahmed, Md.Shakhaoat Hossain
ISSN1573-2959
LanguageEnglish
Citations12
DOI10.1007/s10661-024-13531-z
Web pagehttps://doi.org/10.1007/s10661-024-13531-z

Authors 4

Jubaer, AlSenior Research Officer, Geospatial data science for health & climatePrinted as Al Jubaer1
Jubaer, Al Printed as Al Jubaer Senior Research Officer, Geospatial data science for health & climate First authorMe 26 papers → Website
Rakib HossainResearch Associate, Jahangirnagar University2
Rakib Hossain Research Associate, Jahangirnagar University 1 paper →
Afzal AhmedProfessor, United International UniversityPrinted as Ahmed, Afzal3
Afzal Ahmed Printed as Ahmed, Afzal Professor, United International University 2 papers →
Md.Shakhaoat HossainProfessor, Jahangirnagar UniversityPrinted as Hossain, Md. Shakhaoat4
Md.Shakhaoat Hossain Printed as Hossain, Md. Shakhaoat Professor, Jahangirnagar University Last author 2 papers →

Cite this work

Jubaer, A., Hossain, R., Ahmed, A., & Hossain, M. S. (2025). Factors influencing spatiotemporal variability of NO2 concentration in urban area: a GIS and remote sensing–based approach. Environmental Monitoring and Assessment, 197(2). https://doi.org/10.1007/s10661-024-13531-z

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