Table 2.

Relationship between casualties and air-blast overpressure.

Overpressure （105Pa）	Injury level	Injury situation
0.2–0.3	Mild	Minor contusion
0.3–0.5	Moderate	Eardrum injury, moderate contusion, fracture, etc.
0.5–1.0	Severe	Severe internal bruising and even death
>1.0	Extremely severe	Death