When chemicals float through the air into your nose or mouth and get detected by your brain, that's odor. Conscious perception or unconscious emotional reaction makes no difference, both are odor. If there are no chemicals being emitted or they have no reaction to your nose and your nose doesn't change the signals it's sending to your brain, then you can fairly say it has no odor.

To say that odors aren't odors unless they are consciously perceived is like saying UV isn't light because you don't consciously perceive it. Except it's the same physical phenomena, electromagnetic radiation or chemicals floating through the air, your sensory organs are detecting it (mostly being destroyed by it in the case of UV, but probably not in the case of tear odor...) and your brain is reacting to it even though you don't consciously realize it.