Is there non smoking?

Yes very little

Yes, there is a non smoking area.

Air system is great. .should be no problem unless you are sitting next to a chain smoker at a one arm bandit

There is more people that don't smoke than people that do smoke. They should be in a Smoker Room.

Not much and the smell permeates the whole place.

Yes theres a non smoking slot area... no table games though

Non smoking in certain areas of the casino..

Yes