Thick, blue-gray smoke hangs over Southeast Asia as the annual agricultural burning season continues. Scores of fires were detected by the <a HREF="http://modis.gsfc.nasa.gov" target="outlink">Moderate Resolution Imaging Spectroradiometer</a> (MODIS) on the <a HREF="http://aqua.nasa.gov" target="outlink">Aqua</a> satellite during an overpass on March 24, 2004, and have been marked with red dots in the image. Countries shown are (clockwise from top left) Myanmar, China, Vietnam, Laos, Cambodia, and Thailand. The <a HREF="http://seawifs.gsfc.nasa.gov" target="outlink">Sea-viewing Wide Field-of-view Sensor</a> (SeaWiFS) captured <a HREF="http://earthobservatory.nasa.gov/NaturalHazards/natural_hazards_v2.php3?img_id=12023" target="outlink">an image of the smoke</a> drifting far eastward over the South China Sea.The high-resolution image provided above is 500 meters per pixel. The MODIS Rapid Response System provides this image at <a HREF="http://rapidfire.sci.gsfc.nasa.gov/gallery/?2004084-0324/Indochina.A2004084.0620" target="outlink">additional resolutions.</a> Sensor: Aqua/MODIS.