A vegetation fire has sparked near Childers.
It broke out at South Isis at 11.10AM on Monday.
Crews are tackling the blaze near the Bruce Highway and Gelsominos Road.
Nearby residents may be affected by a smoke haze throughout the day.
Residents are asked to close windows and doors and if suffering from a respiratory condition, keep medications close by.
Motorists should drive with caution and to conditions.
If residents are concerned their property is under threat they are advised to call Triple Zero (000) immediately.