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8 votes

How real is the danger of suffocation in an Igloo?

Not as real as the danger of death by exposure and hypothermia while outside the igloo. Your risk of asphyxiation in a snow shelter depends largely on its size, and the number of people inside it. ...
ShemSeger's user avatar
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7 votes

How real is the danger of suffocation in an Igloo?

The danger is not only suffocation due to lack of oxygen, but also poisoning due to too much carbon dioxide in the air. Normal air has 21% oxygen; humans will safely survive down to ~15%. Maybe 10% ...
guest's user avatar
  • 111
1 vote

How real is the danger of suffocation in an Igloo?

It's a real danger, especially as the night goes on. Snow has plenty of air in it, and is somewhat breathable, but the moisture from your breath and the heat you generate is going to starting melting ...
Charlie Brumbaugh's user avatar

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