What is the Normal Oxygen Saturation Level? Your oxygen saturation level is dependent upon a number of factors including your health condition, breathing rate and activity level. Normal oxygen levels range between 95-100 percent. Values under 90% are considered low. How to Obtain an Accurate Pulse Oximetry Reading? To get the most accurate reading from your pulse oximeter, there needs to be enough blood flow to the hand and finger wearing the device. This means the best reading occurs when your hand is warm, relaxed and below the level of your heart.
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