Assessment of the impacts of the open rice straw burning on the air quality, however, is challenging as these fires normally occur sporadically, during short time periods, in small rice paddy plots which spreads over a large area. Satellites are proved to be a useful tool for monitoring of the biomass fires10. Satellite imagery can provide information on the dryness of the vegetation, location and size of major fires and smoke plumes, energy release by fires, and air pollutants in the smoke plumes. .