Feb 18, 2022 · 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.

Dec 18, 2025 · Oxygen saturation measures how much oxygen your red blood cells are carrying—specifically, the percentage of hemoglobin bound to oxygen. Blood becomes …

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 …

Aug 18, 2025 · In a healthy adult at sea level, normal arterial oxygen saturation (SaO₂) ranges from 95% to 100%, meaning nearly all hemoglobin is carrying oxygen to the tissues.

A pulse oximeter and blood oxygen saturation monitor is a non-invasive device that measures the oxygen saturation level (SpO2) in your blood and your pulse rate.

Dec 18, 2025 · Blood oxygen levels refer to the amount of oxygen circulating in the blood. Ideally, this level should be between 95-100%.

Oxygen saturation, commonly known as SpO2, is a critical measure of how well your blood carries oxygen to your body’s tissues. This comprehensive guide explains everything about normal …

Oxygen saturation is the fraction of oxygen -saturated hemoglobin relative to total hemoglobin (unsaturated + saturated) in the blood. The human body requires and regulates a very precise …

Sep 1, 2022 · A clear guide to blood oxygen levels, measurement methods, normal ranges, causes of low oxygen, and what symptoms to watch for in daily health monitoring.

Jan 5, 2026 · Learn medically sound, practical ways to boost oxygen levels safely, from breathing techniques and hydration to air quality and sleep tips.