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Smoke From Indonesian Fires Hangs Heavy

Smoke from fires hangs heavy over Indonesia
Smoke hangs heavy over Indonesia from the fires that have plagued the country from agricultural fires in October 2015.

Smoke hangs heavy over Indonesia from agricultural fires set by farmers in October 2015. This natural-color satellite image was collected by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard the Terra satellite on October 24, 2015.

Farmers often use fire to return nutrients to the soil and to clear the ground of unwanted plants. While fire helps enhance crops and grasses for pasture, the fires also produce smoke that degrades air quality. The smoke released by any type of fire (forest, brush, crop, structure, tires, waste or wood burning) is a mixture of particles and chemicals produced by incomplete burning of carbon-containing materials. All smoke contains carbon monoxide, carbon dioxide and particulate matter or soot. The type and amount of particles and chemicals in smoke varies depending on what is burning, how much oxygen is available, and the burn temperature. Exposure to the smoke should be avoided, however, with this much smoke hanging over the country it is almost impossible.

NASA image courtesy Jeff Schmaltz, MODIS Rapid Response Team. Caption: NASA/Goddard, Lynn Jenner