Yes, it sounds like a simple partial seizure When others don't smell these
things but you do, then it is in your brain so to speak. Some people call
this an aura / some others call this a simple partial. Some others call
these smells a type of simple partial seizure.

An aura, also known as a prodrome or the prodromal phase of a seizure, is
actually a simple partial seizure. For many decades, seizure specialists
talked abaut auras as if they were no more then some sort of epileptic
early-warning system. It is true that many patients who have tonic-clonic
seizures do have auras beforehand, although some do not. However, an aura is
more than just a premonitory sensation.

Auras are highly individualized. Some people see flashing lights, others
smell a strange odor, and some simply have an odd mental sensation, such as
a floating feeling. It all depends on where the seizure focus is in the
person's brain, and where the process catched hold.

I truly hope I have been of any help to you.

It could be either, but my guess would be that it's from the seizures.  I have
TLE and had a lot of "funny" smells (it was always the same smell).  The funny
smell didn't happen all the time either.  It didn't happen in a close time
frame to a seizure.  I don't get those funny smells anymore because my meds are
doing a good job of controlling the seizures.   It probably would be a good
idea to keep track of the odd smells as well as when the seizures happen.

Barb