Geospatial Evaluation of The Effects Of Urbanization On The Air Quality In Selected Urban Areas of Lusaka

Njavwa Nachalwe; Penjani Hopkins Nyimbili; Masauso Sakala; Twataizya Minango; Ernest Munsanje; Erastus Misheng’u Mwanaumo

doi:10.38027/ICCAUA2025EN0307

Geospatial Evaluation of The Effects Of Urbanization On The Air Quality In Selected Urban Areas of Lusaka

Authors

Njavwa Nachalwe Department of Geomatic Engineering, School of Engineering, University of Zambia, Zambia
Penjani Hopkins Nyimbili Department of Geomatic Engineering, School of Engineering, University of Zambia, Zambia
Masauso Sakala Department of Geomatic Engineering, School of Engineering, University of Zambia, Zambia
Twataizya Minango Department of Geomatic Engineering, School of Engineering, University of Zambia, Zambia
Ernest Munsanje Department of Geomatic Engineering, School of Engineering, University of Zambia, Zambia
Erastus Misheng’u Mwanaumo Built Environment and Information Technology, Faculty of Engineering, Walter Sisulu University, South Africa

DOI:

https://doi.org/10.38027/ICCAUA2025EN0307

Keywords:

Urbanization; Air Quality; Carbon Monoxide (CO); Sulfur Dioxide (SO2); Geospatial Analysis.

Abstract

This study investigates the impact of urbanization on air quality in Lusaka, Zambia, focusing on carbon monoxide (CO) and sulfur dioxide (SO₂) concentrations from 2009 to 2024. Utilizing geospatial analysis, time series maps, air quality data and statistical validation, the research examines pollutant trends in industrial and non-industrial zones alongside urbanization rates. Key findings reveal a significant increase in CO concentrations, correlating with rising urbanization rates from 21.06% in 2009 to 38.05% in 2024, while SO₂ levels fluctuated due to emission control measures. Non-industrial areas exhibited lower pollutant levels, highlighting the disproportionate impact of industrial activities. The study demonstrates the effectiveness of geospatial tools in monitoring air quality and urbanization trends, providing actionable insights for policymakers to mitigate pollution. Contributions include a validated framework for integrating air quality monitoring with urban planning, emphasizing the need for sustainable development strategies in rapidly urbanizing regions.

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Published

2025-07-05

How to Cite

Nachalwe, N., Nyimbili, P. H., Sakala, M., Minango, T., Munsanje, E., & Mwanaumo, E. M. (2025). Geospatial Evaluation of The Effects Of Urbanization On The Air Quality In Selected Urban Areas of Lusaka . Proceedings of the International Conference of Contemporary Affairs in Architecture and Urbanism-ICCAUA, 8(1), 594–608. https://doi.org/10.38027/ICCAUA2025EN0307