A person that has never boarded an airline flight might be surprised by the number of smells associated with air travel. They will become keenly aware of these smells when they enter the airline terminal and wonder why there are such an abundant number of them in one place. If the traveler had considered how many people come through an airport in a days time, they might gain some understanding about why there are strange odors in every place that they go.
Most travelers choose to unload luggage at the front of the airport before they attempt to find parking. There are a significant number of smells that are emitted from car exhaust fumes and these smells will usually be from diesel engines or those that use gasoline. No traveler has entered an airport terminal without being exposed to these exhausts emissions and its no wonder why some are lightheaded throughout a airline flight.
When they enter the terminal and approach an airline counter to check in for a flight, a traveler might get a whiff of liquor and coffee at the same time. In many airport terminals there is certain to be quite a few smells that are emitted from the various restaurants and it will depend...