Each time you blow into your peak flow meter, you get a number. The number tells you what zone you’re in: green, yellow, or red. Ask your doctor or nurse to fill in your numbers and what to do for each zone. When you take your peak flow and find your zone, do what the action plan tells you to do.

My airways are clear. I’m doing fine. My green zone peak flow is:
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My action plan is: _________________________
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My airways are swollen. I’m heading for a flare-up. My yellow zone peak flow is:
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My action plan is: _________________________
_______________________________________
I’m having a flare-up. I need help right away. My red zone peak flow is:
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My action plan is: _________________________
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