Olusegun G. Fawole is an atmospheric scientist specializing in air quality monitoring and atmospheric aerosol science. His research integrates in-situ measurements, satellite observations, and modeling to assess particulate matter sources, dispersion, and ground-level concentrations. He focuses on aerosol source apportionment, emission factor estimation for combustion sources, and the optical and micro-physical properties of aerosols, especially as they impact climate and atmospheric processes.