Lifetime Air Intake: How Much Air Do We Breathe?
The average person breathes ~12 times per minute, inhaling ~0.5 liters per breath. This equals ~7.2 cubic meters of air per day. Over an 80-year lifespan, that totals approximately 2 billion cubic meters of air.
This is an average—breathing rate, depth, and lifespan vary. But for most, lifetime air intake is in the ballpark of 2 billion cubic meters.
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