Landlord violating anonymity of complaint

By Spot

I have been renting an apartment since November in a building where the lease clearly states that smoking is NOT allowed indoors.  My downstairs neighbor smokes constantly inside of his apartment and as a result everything I own smells like a bar.  I complained to my landlord about this a few weeks ago, asking if there was something different in my neighbor’s lease about smoking.  He said there was not and that he was in violation of his lease terms.  I did not specifically ask my landlord to tell this guy to stop smoking, but I did ask if there was anything he could do to insulate my apartment.  Landlord said he would talk to my neighbor and let him know it was a lease violation to smoke inside. 
I assumed my complaint would be kept anonymous.  Instead, the landlord told my neighbor that I was the one who complained and as a result I had some VERY awkward encounters with him for a day or two (he was furious that I hadn’t just talked to him).  I ended up writing an apology note to my neighbor (which is ridiculous, by the way.  Why am I apologizing for him killing himself and me with his smoking?) and things are okay now.  My neighbor is STILL smoking inside and I just want to move because I don’t think it will get better.  My lease isn’t up for another 8 months but I have had it with this awful smell and my asthma is getting worse.  Can I get my landlord to let me out of the lease for violating my confidentiality when making a complaint?   How do I approach him about that?  Do I need to provide documentation?  I don’t know what to do.

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