Smoke from fires in eastern Russia has crossed the Bering Sea and spread over Alaska and western Canada. In the top part of the image, the smoke appears more yellowish, while across the Alaska Peninsula (bottom center) and northeastward over the Gulf of Alaska, the smoke appears more grayish-white. This image was acquired by the Sea-viewing Wide Field-of-View Sensor (SeaWiFS) on May 21, 2003.
Image provided by the Sea-viewing Wide Field-of-View Sensor (SeaWiFS) Project, NASA-GSFC, and ORBIMAGE