Salubrious means something that is good for your health or is pleasant and comfortable.
When something is salubrious, it is usually a good thing because it means it is good for you or makes you feel good.
Examples:
The fresh air in the mountains is very salubrious.
We went for a walk in the salubrious park.
She likes to eat salubrious food.
The doctor recommends living in a salubrious place.
The hotel room was so salubrious, it felt like a dream.
I wish my house was as salubrious as a palace.