Bhagavatapurana 2.10.20

2.10.20

nāsike nirabhidyetāṃ dodhūyati nabhasvati /
tatra vāyurgandhavaho ghrāṇo nasi jighṛkṣataḥ //

20. When the vital breath began to move freely the two nostrils were formed and there in the nose the deity Vayu, the bearer of fragrance, and the sense of smell were produced when the Virat-Purusha thought of smell.