Airiness

noun

1. Exposure to a free current of air; openness to the air: as, the airiness of a country-seat.
2. Unsubstantiality, like that of air.
3. Delicacy and lightness; ethereality.
4. Sprightliness of motion or manner; gaiety; jauntiness; vanity; affectation: as, the airiness of young persons.
5. The state or quality of being airy; openness or exposure to the air.

   "the airiness of a country seat"