On July 5-6, 2009, the Ozone Monitoring Instrument observed how much sunlight could reach the surface of the Earth through the dust particles kicked up by a severe dust storm over Iraq and Iran.
This natural-color image from July 4, 2009, shows thick dust over much of Iraq and along the southern coast of Iran. Thinner dust appears over northern Iran and southern Iraq.
This true-color image, taken July 3, 2009, shows thick dust between Syria and the Iraq-Iran border. Over northwestern Iraq, the dust takes on a strangely textured appearance.