What should your oxygen saturation be? What are normal and safe oxygen levels? How does a finger pulse oximeter work? Learn about blood oxygen levels, symptoms of low oxygen (hypoxemia), and ways to keep your blood oxygen levels in the normal range, with charts.

Oxygen saturation levels (SpO2) between 95 to 100 percent are considered normal for both adults and children (below 95% is considered abnormal). People over 70 years of age may have oxygen levels closer to 95%.

2024年6月13日 · 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 effort between your heart, lungs, and circulatory system to maintain a …

2022年2月18日 · 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 saturation level may be lower. Your healthcare provider will let you know what levels are acceptable.

2022年9月1日 · 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 percent may compromise organ function, such as the brain and heart, and should be promptly addressed.

2022年2月24日 · A normal blood oxygen saturation level is in the range of 95–100%. If it falls below 91%, it requires immediate medical attention. Doctors consider a reading of 91–94% as borderline.

2023年2月26日 · Normal oxygen saturation levels typically range from 95% to 100%, but the exact range may vary slightly depending on age and other factors. What Is the Spo2 Normal Range By Age Chart? Both adults and toddlers should have oxygen saturation levels (SpO2) that fall between 95 and 100 percent in a healthy range.