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How Long Can the Oxygen in a Sealed Car Be Absorbed by an Adult?

1 Answers
DelGriffin
07/24/25 9:17pm
Sealed car oxygen can be absorbed by an adult for 600 minutes. Oxygen content in a sealed car: Under safe conditions, the actual amount of oxygen available for normal breathing in the car is only 150 liters. If an adult breathes 20 times per minute, they will consume 250 milliliters (0.25 liters) of oxygen per minute. Carbon dioxide concentration must be considered in a sealed car with no air circulation: When the carbon dioxide concentration in the air exceeds 5%, a person will soon fall into a coma, and prolonged exposure to this state can lead to death. If the car environment is relatively sealed and lacks air circulation, the carbon dioxide concentration must be taken into account.
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