NitrAtes, are safe in that range for most commonly seen community fish, and tolerable for many fish to around 30, and up to 40 maybe can do some water changes. Breeding fish and some sensitive / delicate fish, and keeping inverts like dwarf shrimp, keeping it low is good.
Ideally you have plants and they will use them too. Many opinions about which numbers to keep it at.
With plants, and CO2
some people need to actually dose nitrate for plants.
Fish do not need nitrates. Having low nitrates is good.
New to FW fish? First tank in a long time or EVER??? Need some info on keeping fish?
Start here - Aquarium Advice Article
FW Favorites right now Clown Loaches, any shrimp - SW Vase Red Mangroves