James Nimo

Shifting Dominant Air Pollution Sources in Sub-Saharan Africa’s Changing Urban Environment: Analysis of Elemental Composition and Source Contributions of Ambient Fine Particulate Matter (PM2.5) Pollution in Accra, Ghana

Abstract Urban and economic expansion across Sub-Saharan Africa (SSA) may be shifting the relative contributions of dominant ambient air pollution sources, influencing both pollutant concentrations and composition, along with their associated health risks. However, city-scale dat...

Spatiotemporal patterns of ambient NO2 and NO pollution in Kigali Rwanda

Abstract Kigali, like many cities in sub-Saharan Africa, faces rapid urban growth alongside the need to manage air pollution and protect public health. Despite its policy efforts, systematic data on nitrogen oxides (NO x : NO 2 and NO), key indicators of combustion-related pollut...