What Blood Oxygen Levels Say About Your Breathing
Feb 3, 2026 · 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. …
Normal Blood Oxygen Levels Chart: Symptoms of Low Oxygen Level
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 …
Blood Oxygen Level: What It Is & How To Increase It
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 …
What is SpO2? Normal SpO2 Levels, Ranges & When to Worry ...
Feb 6, 2026 · SpO2 stands for peripheral capillary oxygen saturation — the percentage of hemoglobin molecules carrying oxygen in arterial blood. Normal SpO2 range is 95–100% for healthy adults.
What Does SpO2 Stand For and What Is a Normal Level?
Dec 5, 2025 · For a healthy adult at sea level, a normal SpO2 reading falls between 95% and 100%. This range indicates that the lungs are performing gas exchange efficiently and the blood is …
Pulse Oximeter Readings Explained: What Numbers Are Normal ...
Feb 13, 2026 · Learn what pulse oximeter readings mean, how to get accurate measurements, and when to seek help for low oxygen levels during colds and respiratory illness.
SpO2 Meaning: Understanding Oxygen Saturation and Its Importance
SpO2, or peripheral oxygen saturation, is a measure of the percentage of oxygen-saturated hemoglobin in the blood compared to the total hemoglobin. In simpler terms, it indicates how …