A fire has sparked near Gin Gin on Wednesday.
Crews are tackling the vegetation fire near the Bruce Highway and Tessellaris Trail, Takilberan.
It is not threatening property at this stage.
Firefighters have contained the blaze, however smoke may affect the Bruce Highway during the afternoon.
Motorists should drive with caution and to conditions. Residents are asked to close windows and doors and keep medications close by if suffering from a respiratory condition. If residents are concerned their property is under threat they are advised to call Triple Zero (000) immediately.