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See below for more on how to take your peak flow.

In 2007, nearly 9,000 vehicles crossed the bridge every hour at peak flow.

During the 1990 peak flow on May 3, the water release was almost 7,000 (198 m3) cubic feet per second.

Usually the idea is to control peak flow for later release.

The action plan is based on peak flow and asthma symptoms.

You and your child will learn to measure peak flow at home.

Checking "peak flow" is one of the best ways to control asthma.

Have a peak flow that is near your personal best (or better).

An asthma action plan tells you how to check your peak flow.

An action plan has zones that are based on your peak flow or symptoms.