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 …

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 …

Your blood oxygen level (blood oxygen saturation) is the amount of oxygen that's circulating in your blood. It can be measured with a blood test or a pulse oximeter.

Jun 13, 2024 · A normal range for your blood oxygen level is between 92% and 100%. SpO2 readings can fluctuate based on activity, overall health, and other factors. Your body relies on a coordinated …

Jun 29, 2023 · A pulse oximeter reading indicates what percentage of your blood is saturated, known as the SpO2 level. A typical, healthy reading is 95–100%.

Dec 18, 2025 · Normal blood oxygen levels in adults are between 95% and 100% oxygen saturation (pulse oximeter reading). 11 See a healthcare provider if your at-home blood oxygen measurement …

Jun 21, 2025 · What is a Normal Blood Oxygen Level? For healthy adults, a normal SpO2 reading falls between 95% and 100%. This percentage signifies that red blood cells are adequately saturated with …

Normal arterial blood oxygen saturation levels in humans are 96–100 percent. [1] If the level is below 90 percent, it is considered low and called hypoxemia. [2] Arterial blood oxygen levels below 80 percent …

A normal SpO2 reading typically falls between 95% and 100%, indicating that the lungs effectively transfer oxygen to the bloodstream and that the cells receive an adequate oxygen supply. …

Normal – For healthy lungs, a normal ABG oxygen level is between 80 and 100 millimeters of mercury (mm Hg). If your blood oxygen level (SpO2) was measured using a pulse oximeter, a normal reading …