Welding fumes are a complex mixture of hazardous chemicals produced during welding.
The composition of welding fumes depends on factors, including:
Workers undertaking welding processes are at risk of exposure to welding fumes. However, other persons at the workplace may also be exposed to welding fumes.
In Australia, the workplace exposure standard (WES) for welding fumes (not otherwise classified) has been reduced from 5 mg/m3 to 1 mg/m3.