@A MyCOPDTeam Member There are 4 Stages. Those numbers don't mean anything. Everyone is different. Doing exercise is the best thing you can do, Don't focus on Numbers. Stay as active as you can, Walking is a good way to exercise. COPD will get you if you give it a Reason...

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A MyCOPDT...

From worst to best
Grade 1
Stage 4 of COPD Icon
Severity of airflow obstruction:
FEV1 ≥80% of predicted value
Grade 2
Stage 3 of COPD Icon
Severity of airflow obstruction:
FEV1 50-79% of predicted value
Grade 3
Stage 2 of COPD Icon
Severity of airflow obstruction:
FEV1 30-49% of predicted value
Grade 4
Stage 1 of COPD Icon
Severity of airflow obstruction:
FEV1 <30% of predicted value