Average Spo2

Posted on by

In practice, the SpO2 range of 92–100% is generally acceptable for most clients. Some experts have suggested that a SpO2 level of at least 90% will prevent hypoxic tissue injury and ensure client safety (Beasley, et al., 2016). Reference values for pulse oximeter saturations (SpO2) in term and preterm infants show that during normal breathing 95% of infants maintain SpO2 at or above 93-97%, depending on age. What is the normal range for SpO2?? 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 SpO2 should be between 96% to 99%. High altitudes and other factors may affect what is considered normal for a given individual.

Doctors will often monitor your oxygen levels. These can be monitored by using a pulse oximeter. You can monitor your own oxygen levels at home by purchasing your own pulse oximeter. Still, what is the best way of interpreting your oxygen levels? What do they mean? Here’s what to know.

What is partial pressure of arterial oxygen (PaO2)?

This is the most accurate oxygen level that we monitor. It’s how much oxygen is inside your arterial blood. A perfect reading would be 104. However, anything between 80-100 is considered acceptable. A PaO2 of 60-79 is considered mild hypoxemia. A PaO2 of 40-79 is considered moderate hypoxemia, and a PaO2 of less than 40 is considered severe hypoxemia.

Hypoxemia is a fancy term for a low arterial blood oxygen level. Most experts accept the PaO2 value of 60 as the baseline value we want to maintain. If COPD is causing a PaO2 of less than 60, supplemental oxygen is indicated. Usually, with COPD, all that is needed is a low flow of 2-3 LPM. This is usually all that is needed to maintain a PaO2 of 60 or better. If you want, you can read my article, 'How To Qualify For Home Oxygen Therapy?'

There is only one way to learn what your PaO2 is. It is to draw blood from one of your arteries. The artery we usually draw it from is the radial artery. This is an artery that is near the surface on the thumb side of the back of your wrist. This test is called an Arterial Blood Gas (ABG). This is an invasive blood draw.

What is oxygen saturation (SpO2)?

SpO2 is another oxygen level. It’s the percentage of oxygen molecules you inhale that make it to your arterial blood. A perfectly normal value is 98%. However, anything greater than 90% is considered acceptable. For some people with COPD, doctors consider anything between 88-92% to be acceptable.

This value is determined using a pulse oximeter. It’s a small, hand-held device that you slip over a finger, toe, or earlobe. You can purchase these in stores. The ones you buy for your home are usually ones that slip over your finger.

These devices can be purchased for less than $30. You can get them from online stores like Amazon. I have seen them at stores like Aldi. The trick here is that you will want to make sure the one you buy is FDA approved. This will ensure that you are getting an accurate reading.

How are pulse oximeters helpful?

Pulse oximeters are helpful because they offer a simple, noninvasive way of determining your oxygen level. But your SpO2 level can also help determine your PaO2. This is by means of the 4-5-6-7-8-9 Rule.

It goes like this.

  • 40 PaO2 equals an SpO2 of 70%
  • 50 PaO2 equals an SpO2 of 80%
  • 60 PaO2 equals an Spo2 of 90%

Basically, you take your SpO2 value minus 30. This gives an 'estimate' of where your PaO2 stands. By doing my own experiments, I have determined this 'estimated' PaO2 to be pretty accurate.

So, if your pulse oximeter gives you a reading of 90%, this means that your estimated PaO2 is 60. That’s right about where we want it. This is why the hospital I work for has a policy of maintaining a SpO2 of 90%. There are some exceptions that we can discuss in a future post if you want.

A helpful tool

Pulse oximeters are nice. They allow you and doctors to monitor your oxygen level at pretty much any time and place. It’s simple, painless, and accurate as long as you have a pulse oximeter that is FDA approved. You should talk to your doctor about determining what SpO2 level is best for you. For most people, it’s 90% or better. However, with some people with COPD, 88% is acceptable too. To learn what oxygen levels are best for you, talk to your COPD doctor.

More on this topic

Average Spo2


Oxygen Level Chart

4 Amazing Benefits of Home Oxygen Therapy


The Do's and Don'ts of Using Supplemental Oxygen at Home

When it comes to your blood oxygen level, a second-look can never hurt.

Let’s be frank: if you’re currently living with a chronic lung disease like chronic obstructive pulmonary disease (COPD), pulmonary fibrosis (PF) or emphysema, the maintenance of your health and symptom expression is generally your top priority. Often, this can mean a particular level of scrutiny in the foods you eat, the exercise you get, your exposure to cigarette smoke and other harmful airborne conditions, and the continual maintenance of your respiratory metrics, such as your PFT and blood oxygen levels.

Simply put, for those with lung disease, it’s not only incredibly important to monitor your health and make adjustments in your behavior when necessary, but for many, it’s a way of life. Your blood oxygen level is one of the most important metrics to measure; as it is a clear indicator of how well your body is distributing oxygen (more on that in a moment). Taking the time to determine your blood oxygen level and how it fits in with the national average can be a vital marker for the direction of your respiratory health.

Average spo2 at night

With your health in mind, the Lung Health Institute is here to break down the things you need to know on your Blood Oxygen Level: Is My Oxygen Level Normal?

Average Spo2 Levels

What is Your Blood Oxygen Level?

In the most basic terms, your blood oxygen level is the amount of oxygen in your blood. Sounds simple, right? However, the complexities of this measurement come into play when trying to increase this amount by doing more than taking deeper breaths. As you can imagine, the level of your blood oxygen is important for your general health. If your blood oxygen is too low—in comparison to the average blood oxygen level of a healthy adult—you may be hypoxemic.


As is the case of most people with COPD, oxygen levels are below normal and hypoxemia can frequently occur over time. This means that your body has trouble nourishing your cells, tissues and organs. As your blood is the medium for getting oxygen (via red blood cells) throughout your body, poor circulation can produce the symptoms of chronic lung disease—namely shortness of breath.

Overall, this can reduce your quality of life, impair your skeletal muscle function, impair your exercise tolerance and increase your risk of death.

How is Your Blood Oxygen Level Measured?

A normal blood oxygen level typically ranges from 75 to 100 mm Hg. In the case of dangerously low blood oxygen, the level that requires supplemental oxygen is anything under 60.

The best way to monitor blood oxygen levels is through your arterial blood gasses (ABGs); however, this can be difficult to do at home. In place of using an ABG test, it’s more convenient to use a pulse oximeter, which measures oxygen saturation through a small clip on your finger. In the realm of oxygen saturation levels, normal is often considered anything between 95-100 percent.

Anything below 90 is usually considered low, therefore if you are below this metric, you should consider asking your doctor for a prescription for supplemental oxygen.

What Does My Blood Oxygen Level Mean for My Health?

Your blood oxygen levels have a direct effect on the expression of your symptoms. A low blood oxygen level can signify a lack of proper circulation or oxygen saturation within the body, which can ultimately result in a variety of conditions typically associated with chronic lung disease.

These may include:

  • Confusion
  • A sense of euphoria
  • Restlessness
  • Headaches
  • Shortness of breath
  • Rapid breathing
  • Dizziness, lightheartedness and/or fainting spells
  • Lack of coordination
  • Rapid heart rate
  • Elevated blood pressure
  • Visual disturbances
  • Bluish tint to lips, earlobes and/or nail beds
  • Elevated red blood cell count or polycythemia

What Can I Do Moving Forward?

Understanding your blood oxygen levels is a key step in learning how to measure your health. Whether it’s through measuring it yourself using a pulse oximeter, or having it properly tested through an ABG test with your primary physician, knowing the basic metrics of your respiratory health is critical to making the changes necessary to improve it.

Although the most important step in taking control of your health is to quit smoking, a close second is to address your general health through diet and exercise.

With these behavioral changes, it’s possible to greatly affect the pronouncement of symptoms for people with COPD, pulmonary fibrosis and emphysema. However, when lifestyle changes fail to improve your quality of life in the way that you may expect, it may be time to consider cellular therapy. Carson digital microscope software download. Rather than addressing the symptoms of lung disease, cellular therapy may directly affect disease progression and may improve quality of life.

Average Spo2 94

For more information on cellular therapy and what it could mean for your life moving forward, contact us today or call us at 888-745-6697. Our patient coordinators will walk you through our available treatment options, talk through your current health and medical history and determine a qualifying treatment plan that works best for you.

Average Spo2 With Covid

Interested in our article on Blood Oxygen Level: Is My Oxygen Level Normal? Share your thoughts and comments below.