Right now 40% which is the highest it's been in a few years. <div><br></div><div>If you don't mind I'm going to tack another question on to this- Do you use O2 at all? If so, when?</div><div><br></div><div>I'm not on oxygen at all atm- though most of the time when they check my stats in the hospital they're around 94. </div>