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this post was submitted on 04 Aug 2025
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You're talking elevations in feet and the post is using meters. 8,000 meters is approximately 26,000 ft.
I'm aware.
The elevations I'm talking about are related to people becoming hypoxic when not on supplemental oxygen.
At around ~10-12,000ft the partial pressure of oxygen is low enough that if your not used to it, you can become hypoxic. O2 @ ~20%
If you are on supplimental oxygen (which if you are climbing Everest, you are), in the "death zone" (~26,000ft) even if your are on 100% supplemental oxygen, the partial pressure is low enough that you can become hypoxic. 02 @ 100%
In both cases, if your lungs don't work good (read; if you smoke), you'll become hypoxic at lower levels.