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 …

An oximeter reading only indicates what percentage of your blood is saturated with oxygen, known as the SpO2 level, as well as your heart rate. It’s a quick and harmless way to check if someone’s blood …

5 days ago · Normal blood oxygen levels range from 95% to 100%. SpO2 can vary with activity, health, and more. Your heart, lungs, and circulatory system work together to keep these levels stable. …

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%.

Normal Blood Oxygen Levels: 95% to 100% SpO2: Normal range. 91% to 94% SpO2: Mild hypoxemia; monitor closely. Below 90% SpO2: Medical emergency; may require supplemental oxygen. Benefits …

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 …

For healthy adults (ages 18 to 65), the normal SpO2 range is 95% to 100% when measured at sea level. Readings within this window indicate that oxygen is being efficiently picked up by the lungs and …

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

Significance of Oxygen Saturation (SpO2) Oxygen saturation (SpO2) indicates the percentage of hemoglobin in your blood carrying oxygen. Normal SpO2 readings typically range from 95% to 100% …