What issues can excessive cabin pressure cause for passengers?

Excessive cabin pressure can lead to ear discomfort or barotrauma due to the difference in pressure between the cabin and the external environment. When an aircraft climbs or descends rapidly, the changes in cabin pressure do not always allow for the equalization of pressure in the middle ear. This pressure differential can create discomfort or pain in the ears, and in severe cases, it may even cause damage to the ear structures, leading to barotrauma.

Understanding the physiological effects of pressure changes is crucial for ensuring passenger comfort and safety during a flight. Managing cabin pressure effectively is an essential aspect of cabin atmosphere control systems to minimize such adverse effects on passengers. Proper pressure regulation helps ensure that the cabin remains a comfortable space, reducing the risk of ear problems as well as enhancing overall passenger experience.