Gravity has an extreamly faint smell when it is far away from your nose. The closed you come to the source of the odor the stronger the sense becomes. If you can find a way to focus your olfactory organ into a very close proximity to the source, the smell becomes overwhelming. Down at distances measured in electron orbits, you will no longer be able to stand the overpowering concentration of the gravity.
Gravity smells like claustrophobia and grief.
Wet asphalt after a warm summer rain. That's what gravity smells like. June Depends on where you are. Let's say you're really high up off the coast of Martha's Vineyard in a malfuctioning small plane. This is totaly classified information.