Open discussion of Cheat Engine is allowed. Content made using Cheat Engine is allowed as long as it is not malicious (see below). Tutorials on the use of Cheat Engine are not allowed. Content and discussion on the use of mods is allowed, but tutorials are not (try using private messages to trade information).
Quick Answer. Mayo Clinic defines the normal human oxygen level as 95 percent to 100 percent. Levels below 90 percent are considered low. Oxygen levels are usually measured with a pulse oximeter device attached to the finger; this device measures the amount of oxygen saturating the blood. Continue Reading.
If you are working out strenuously, they may be higher because your body requires more oxygen to function properly. Understanding your blood oxygen levels when you are at rest is something that you need to do if you want to make the most of the oxygen that's entering your body. Normal blood oxygen levels for the average American is about 90 to 100 percent oxygen saturation. This means that your body is getting enough oxygen if your levels fall somewhere in this range. Your body is getting the oxygen it needs to perform basic functions and your internal organs are likely performing at their best when you keep your blood oxygen levels this high.