A controlled agricultural burn is responsible for the smoke rising from near downtown Macon.
Macon-Bibb County fire crews scrambled to find the source of the heavy plume rising from the industrial sector shortly after 10:30 a.m.
Trucks tracked the blaze from sightings reported from Brosnan Yard, the Eisenhower Parkway extension, Ackerman's and Cox Cafe.
Norfolk Southern railroad reported a blaze between a tree line and a creek, but firefighters could not gain access.
The Georgia Forestry Commission was notified of the burn, which appeared to be tapering off after 11 a.m.