At what altitude does advanced hypoxia occur?

Advanced hypoxia typically occurs at altitudes above 14,000 feet. At this altitude, the reduction in available oxygen can significantly affect bodily functions, leading to impaired cognitive abilities, decreased physical performance, and increased risks of aviation incidents. Pilots and other individuals operating at these heights need to be aware of the symptoms of hypoxia, as the effects can vary greatly from person to person.

Levels of oxygen in the atmosphere continue to decrease with increased altitude, and once past 14,000 feet, the risk of advanced hypoxia necessitates the use of supplemental oxygen during prolonged exposure to prolonged high altitudes, particularly in aviation contexts. Understanding this critical altitude helps individuals anticipate the physiological effects of altitude exposure and take necessary precautions for safety.