For Kids: Know Your Asthma Zones
Asthma zones tell you what symptoms to watch for. They also tell you what to do if you have symptoms.
Green Zone: Safe

When your lungs are fine, you’re in the green zone. You feel good. Asthma doesn’t get in your way. Keep using your controller inhaler. And watch for triggers that can make asthma worse.
Yellow Zone: Warning

You’re starting to have a flare-up. Ask an adult for help. Use your quick-relief inhaler. Yellow zone symptoms include:
Red Zone: Danger!

You’re having a flare-up. Tell your parents or another adult right away. Use your quick-relief inhaler. Red zone symptoms include:
Constant coughing or wheezing
Symptoms that start suddenly during the night
Trouble breathing at rest
Breathing very hard or fast