Using Geostationary Earth Observation Satellite for Air Pollution Monitoring in Southeast Asia: Practice and Policy Recommendations | 국외연구자료

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Using Geostationary Earth Observation Satellite for Air Pollution Monitoring in Southeast Asia: Practice and Policy Recommendations

UNESCAP

2026.01.13

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The Building the Pan-Asia Partnership for Geospatial Air Pollution information (PAPGAPi) project is a regional initiative launched in 2021 and implemented through the end of 2024, led in collaboration with United Nations Economic and Social Commission for Asia and the Pacifi c (UN ESCAP), Republic of Korea’s Korea International Cooperation Agency (KOICA) and National Institute of Environmental Research (NIER), and national agencies across the Asia-Pacifi c. The project’s core objective is to strengthen geospatial air-pollution information by expanding access to both space-based and ground-based remote sensing data. Space-based observations come from the Geostationary Environment Monitoring Spectrometer (GEMS) onboard GEO-KOMPSAT-2B (GK-2B), while ground-based observations come from Pandora spectrometers. Together, these datasets support regional-scale analysis of atmospheric composition, including cross-border pollution dynamics, and provide a pathway for validation and operational use. The discussion emphasizes a dual structure of air quality drivers: persistent anthropogenic emissions in urban/industrial zones and episodic, seasonally intense events (biomass burning, dust) that can dominate national aerosol loading during peak months. Regionally, the coherence of pollution patterns highlights that national air quality cannot be interpreted in isolation; transport, shared meteorology, and cross-border emission sources require coordinated regional monitoring and policy responses.

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