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 …

Sep 25, 2025 · Normal oxygen levels (SpO2) are between 95% and 100%, indicating an adequate concentration of oxygen in the bloodstream. Levels below 90% are low (hypoxemia) and may often …

Jun 13, 2024 · Your blood oxygen level—sometimes referred to as SpO2—measures how much oxygen is circulating in your bloodstream. There are many ways to measure blood oxygen, and options are …

What does SpO2 mean? What is a normal SpO2 level? SpO2 stands for peripheral capillary oxygen saturation, an estimate of the amount of oxygen in the blood.

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 …

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 · While pulse oximeter readings are a reliable measurement of oxygen saturation levels in people with SpO2 of 90% or higher, some research suggests it may be less accurate in moderate or …