I smell cigrett smoke and sting eyes but no one else can?

More sensitive: Your nose may be more sensitive and pick up the cigarette smoke at a much lower level, .

Allergy: I am assuming you mean you smell cig smoke even when others do not and your eyes burn? Many people have an allergy or severe sensitivity to cig smoke and eyes burning is one of the most common early symptoms. If you are stuck around someone who is smoking on a daily basis, discuss with you doc whether or not you should start an anti-allergy med.