Salubrious, a.
Etymology: [L. salubris, or saluber, fr. salus health; akin to salvus safe, sound, well. See Safe.]
Favorable to health; healthful; promoting health; as, salubrious air, water, or climate.
Syn. -- Healthful; wholesome; healthy; salutary. -- Sa-lu"bri*ous*ly, adv. -- Sa*lu"bri*ous*ness, n.
Shades of meaning
Fernald has no entry of its own for salubrious; he lists it under healthy.
Where he writes about it:
With healthful are ranged the words hygienic, salubrious, salutary, sanitary, and wholesome, while the other words are associated with healthy. — from healthy
Salubrious is always used in the physical sense, and is chiefly applied to air or climate. — from healthy