Sep 25, 2025 · For most healthy individuals, a normal blood oxygen level (SpO2) is between 95% and 100%, regardless of age. Newborns are an exception. For the first few minutes of life, a level between …

Feb 18, 2022 · For most people, a normal pulse oximeter reading for your oxygen saturation level is between 95% and 100%. If you have a lung disease such as COPD or pneumonia, your normal oxygen …

Normal oxygen saturation levels (SpO2) are between 95 to 100 percent for both adults and children. Oxygen saturation levels below 95% are considered abnormal, and the brain may be affected when …

Dec 18, 2025 · Normal blood oxygen levels for healthy adults are between 95% and 100%. Hypoxemia symptoms include shortness of breath, fatigue, and bluish-colored skin.

Dec 18, 2025 · When your blood oxygen level falls below 92%, it leads to symptoms such as chest pain and fainting, often due to a lung or heart condition like COPD. Treatment may involve oxygen therapy, …

Why Blood Oxygen Saturation Matters Your organs and tissues rely on oxygen to function. If your blood doesn’t carry enough oxygen, it can lead to symptoms like fatigue, confusion, shortness of breath, and …

Sep 1, 2022 · Normal arterial blood oxygen saturation levels in humans are 97-100 percent. If the level is below 90 percent, it is considered low and called hypoxemia. Arterial blood oxygen levels below 80 …

The expected baseline for oxygen saturation varies slightly across the human lifespan, reflecting natural physiological changes. For healthy adults (ages 18 to 65), the normal SpO2 range is 95% to 100% …

Jun 29, 2023 · When your blood oxygen level goes below 95%, you’re at risk of hypoxemia. Hypoxemia is the medical term for low blood oxygen levels. This is often cause for concern, as it may lead to...

Normal Range: 95–100% (at sea level) Definition: SpO2 represents the percentage of hemoglobin molecules carrying oxygen in arterial blood. A value of 95% means 95% of hemoglobin is oxygenated. …