Dozens of fires (red pixels) were burning in Vietnam, Laos, and Cambodia on April 2, 2002. There was a particularly large fire just southwest of Ho Chi Minh City near the southernmost tip of Vietnam. Note the large, grey smoke plume blowing westward in this scene.
This image was acquired by the Moderate-resolution Imaging Spectroradiometer (MODIS), flying aboard NASA's Terra satellite. Please note that the high-resolution scene provided here is 500 meters per pixel. For a copy of this scene at the sensor's fullest resolution, visit the MODIS Rapidfire site.