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  1. Blood Oxygen Level: What It Is & How To Increase It

    Feb 18, 2022 · 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 …

  2. 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 …

  3. Blood Oxygen Level: Normal and Dangerous Readings

    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, …

  4. Blood Oxygen Levels: What Is a Normal Level? - Healthline

    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%.

  5. Blood Oxygen Level: Testing, Normal Ranges, & More - Health

    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 …

  6. What does SpO2 mean? What is a normal SpO2 level? - Withings

    Normal SpO2 values vary between 90 and 100%. Good blood oxygenation is necessary to supply the energy your muscles need in order to function, which increases during a sports activity. If …

  7. What Is a Good Oxygen Rate by Age? - eMedicineHealth

    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 …

  8. SpO2 Meaning: Understanding Oxygen Saturation and Its …

    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 …

  9. Pulse oximetry - Wikipedia

    Pulse oximetry is a noninvasive method for monitoring blood oxygen saturation. Peripheral oxygen saturation (Sp O2) readings are typically within 2% accuracy (within 4% accuracy in …

  10. What is oxygen saturation (SpO2)? What is the normal range for SpO2

    Sep 27, 2024 · Oxygen saturation (SpO2) is a measurement of how much oxygen your blood is carrying as a percentage of the maximum it could carry. For a healthy individual, the normal …