Smoke from fires in Utah (center) is heading almost due east, blanketing Colorado with haze. To the north, several additional large fires are burning in Wyoming, and at far upper right, one is burning in South Dakota. This image was acquired by the <a HREF="http://modis.gsfc.nasa.gov" target="outlink">Moderate Resolution Imaging Spectroradiometer</a> (MODIS) on July Sensor: Terra/MODIS. Data Start Date: 7/1/02. Data End Date: 7/1/02.