A veil of smoke hangs over the Upper Midwestern United States in this image taken on August 23. The smoke is from fires in Montana and Wyoming.
Atmosphere Land Fires
Fires
A lightning-sparked fire has burned nearly 20,000 acres of the Salmon-Challis National Forest in Idaho.
Land Fires
Image of the Day Atmosphere Land Fires
Image of the Day Land Fires
Image of the Day Land
The blaze is the largest in Arizona this year and the largest in the United States right now.
Image of the Day Heat Land Fires Human Presence Remote Sensing
This image shows the extent of Arizona’s Wallow Fire on June 15, 2011.