Mullen Wild Fire over SE Wyoming

The Mullen Fire is a wildfire that has burned (beetle killed spruce and pine) over 176,840 acres (71,560 ha), 28 miles (45 km) west of Laramie, Wyoming. The fire started on September 17, 2020 in the Savage Run Wilderness of Carbon County, and spread to Albany County. On September 30, it spread into Jackson County, Colorado. The cause is unknown. It burned close to the Rob Roy Reservoir, and Platte River Wilderness. On October 15, 2020, the fire was estimated to span 25 miles north to south, and 23 miles east to west.

In Cheyenne, Wyoming, air quality reach hazardous levels several times during the period from 17 September - 21 October. Satellite image clearly shows the afternoon explosion of smoke over southeast Wyoming. Several large fires south of the Mullen Fire are clearly evident in northern Colorado.

Telephoto images/video taken over 70 miles away shows the convective nature of the billowing smoke.