NASA
Nasa Earth Observatory: Natural Hazards: Dust, Smoke, and Haze
NASA's Earth Observatory offers photographs of dust, smoke, and haze throughout the world. Learn how these pollutants can be hazardous to our Earth.
NASA
Nasa Earth Observatory: Global Maps: Aerosol Optical Depth
View Earth's aerosol optical depth by watching a global map evolve from January 2005 to November 2008. Learn about aerosol amounts such as volcanic ash, sea salt, smoke, and other pollutants.