It absolutely depends on what's "normal" for you. My "normal" peak flow is around 300 - some days it's 270, others it's 320 (my highest). I do pretty well at that range except for hills or stairs. My recent PFT (Dec 14th) showed moderately severe obstruction (no change over the past 7 years) - I don't know the exact numbers. And NO, I have NEVER smoked so that's not a cause for the poor results. So, my asthma is not very reversible - hence my Dr's dx of chronic obstructive asthma.

Just FYI I'm an almost 62 yo female, 5'4", 150 # and have had asthma since age 6 months. My meds are Theophylline SR (sustained release) 400 mg every 12 hours, Symbicort 160/4.5 2 puffs every 12 hours and Spiriva once a day.

Hope all of you have a very Merry (and wheeze-free) Christmas and a safe, Happy and Healthy New Year!

Linda in SE Wisconsin