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Health Information > Condition Information > Lifestyle Management > General Tools > Peak Flow Zone Chart
Reviewed on 4/12
By Dr. Tinkelman
David Tinkelman, MD
Medical Director, Health Initiatives
View full profile
The following table shows an example of how these zones work. Your doctor can help you create a similar table for your own asthma.
Your breathing is good.
You do not have any early warning signs or asthma symptoms.
Take all your medicines every day, as your doctor tells you.
Take your inhaler before exercise, as your doctor tells you.
Runny, stuffy nose.
Feel more tired.
Chin or throat itches.
Red or pale face
Dark circles under your eyes
Use "rescue" medicine
Recheck peak flows after 20-30 minutes
Call your doctor, healthcare professional, or nurse care manager:
if your peak flow is not back to the Green Zone
if your peak flow drops into the Yellow Zone again in less that 4 hours.
Cough, more at night
Chest feels tight or hurts
Breathing faster than normal
Get out of breath easily
Use your quick-relief medicine by inhaler or nebulizer right away!
Call your doctor or 911 NOW
BACK: Peak Flow Meter
At National Jewish Health, we offer a range of treatment programs to meet the specific needs of patients with mild to severe asthma.
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