Bony septum deviation can be recognized from the X-ray, but cartilaginous deviation can not be judged with X-ray. I recommend you to visit nearby ENT surgeon to check out whether your septum is deviated or not. In this X-ray, your bony septum does not look so deviated. Thanks.
There are many issues that can cause nasal obstruction on the inside of the nose. The turbinates are enlarged usually from allergies, so it is best to try medical management first with nasal sprays and antihistamines and decongestants before making them surgically smaller. a septoplasty is...