Honestly,I don't think there is an antonym of wheeze,but I think it is healthy.There is not any antonym of wheeze.

The doctor was worried about how he would wheeze after coughing.

Please don't wheeze all over me.

After running up the stairs, she began to wheeze with exhaustion.

In the old days wheeze was used as slang for having fun or enjoying a joke.

But when I wheeze I have to take asthma medication.

wheeze can be inspiratory or expiratory but stridor is mostly inspiratory