A river of smoke more than 100 kilometers wide streams several hundred kilometers southward from fires (marked in red) in northern China (top left) in this image from the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite on October 15, 2004. Another large cluster of fires is burning in southeastern Russia (right).
Image courtesy Jacques Descloitres, MODIS Rapid Response Team, NASA-Goddard Space Flight Center
