Air occupies an extraordinarily generative position in the depth-psychology corpus, functioning simultaneously as cosmological principle, psychological metaphor, alchemical element, and phenomenological medium. Hillman’s extended treatment in Alchemical Psychology stands as the most sustained engagement: he traces air’s imaginative career from Platonic pneuma and Stoic hexis through the alchemical tradition, arguing that air — as Geist, Logos, Pneuma, Spiritus, Ruach — constitutes the very substance of psychic animation, the invisible nourisher that earthbound modern psychology has evacuated at its own impoverishment. Against this, the scientific revolution’s progressive materialization of air (Boyle, Lavoisier) appears as a psychological event: the capture and domestication of the imaginal. Abram approaches air phenomenologically, as the invisible medium uniting all breathing beings, ‘the soul of the visible landscape,’ a position resonating with Anaximenes’ pre-Socratic assertion — carefully documented by Sullivan — that psyche itself is air, mirroring the cosmic breath. The astrological tradition, represented by Arroyo, treats air as active, Apollonian, intellectually oriented energy. Across these positions a central tension persists: whether air names a literal substrate of consciousness (Anaximenes, Aristotle) or an archetypal imagination governing how psyche understands its own mobility, invisibility, and inspiriting power (Hillman). This tension is irreducible and productive.