Monitoring Air Pollution Dynamics of NO2 and SO2 in Sri Lanka Using Sentinel-5P from 2019 to 2024
This study utilizes Sentinel-5P satellite data and GIS to analyze the spatiotemporal dynamics of NO2 and SO2 across Sri Lanka from 2019 to 2024, revealing distinct urban and industrial pollution hotspots, significant seasonal monsoon influences, and a marked reduction in emissions during the 2020 COVID-19 lockdown to inform national air quality management.