Carbon monoxide has an explosive range of 12.5% biex 74.2%, which pertains to its volume fraction in an enclosed space.
F'ambjenti bħal dawn, once the carbon monoxide and air mixture hits this specific ratio, it will ignite explosively when exposed to an open flame. Hawn taħt 12.5%, the fuel is too scant, and the abundance of air leads to rapid consumption through combustion.