First what year of car, and what does it smell like? Some vehicles have a recirculation filter behind the glove box. Or the floor mat could have something on them that make the odor. Try running the a/c on low and not on max. max recirculates the air in the cabin so any odors in the cabin stays in the evaporator when it collects water on it. In high humidity the evaporators can build up with mold and cause odors.
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Is the smell the same one you smell after a rain? If so, read this:
http://science.howstuffworks.com/question479.htm
Incense has a distinctive smell when it is burning.
Yes, unless you have a completely sealed off room that only gets airconditioned air.
Air filters up through mini holes in the seat.
aroma
Earl Grey tea has a distinctive smell and taste.The tiger is recognisable by their distinctive stripes.
By smell. Each has a distinctive smell that is easily recognized.
Honey suckle has a distinctive smell. Hairspray and hot asphalt smell.
yes,they do.
Burnt powder. It is a distinctive aroma and a bit hard to describe. It is an acrid smell.
air conditioner eliminator pulley from autozone.com
Kimchee has a very distinctive smell.
Gaseous amine possess a characteristic ammonia smell, while liquid amines have a distinctive "fishy" smell.