In Drudgerton theres 1 more quest not listed yet.
NPC: Verily, Loc: 12.6S 21.0W, Quest: Banderling Trounce part 3 - Killjoy, Object: Find Killjoy (random spawn) and kill him, Reward: XP seems to be % based, got 4,619892 @ lv 46, Lvl: 44. I have seen Killjoy in the same area as Banderling Bouncers near Drudgerton as well as near Altar of Ancients area in Thusik.

In the quest listing the following should be coorected:

In Drudgerton, Linvak

Releasing Cloudburst quest currently stated for lv 45, but you can get it at lv 43
Both Banderloing Trounce quests stated for lv 45, but you can get em at lv 44
Job Offer quest currently stated for lv 45, but you can get it at lv 44

In Hakata, Omishan

Crush Myrmidon Burun quest currently stated for lv 30 quest, but you can get it at lv 37
Crush Burun Immortals quest currently stated for lv 35 quest, but you can get it at lv 37
Fliks Elements quest currently stated for lv 30 quest, but you can get it at lv 35
Drub Reeshan Burun quest currently stated for lv 30 quest, but you can get it at lv 33
Crub Ruruk Burun quest currently stated for lv 30 quest, but you can get it at lv 33

Missing quests:

NPC: Shimatar, Loc: 9.3N 75.1E, Quest: Cull the Degenerate Mucor, Object: kill 10 Degenerate Mucors (can be found in Ankoro RW 2nd drop), Reward: XP 140k, Lvl: 32
NPC: Shimatar, Loc: 9.3N 75.1E, Quest: Cull the Devolved Mucor, Object: kill 10 Devolved Mucors (can be found in Ankoro RW 2nd drop), Reward: XP 250k, Lvl: 32
NPC: Xamita, Loc: 8.5N 76.3E, Quest: Release the Awaro Bal, Object: kill 10 Awaro Bals (can be found in Vesayan RW 1st drop or near Hakata), Reward: XP 100k, Lvl: 31

In Ikeras, Omishan

Puncture the Opor Nefane quest currently stated for lv 30 quest, but you can get it at lv 28

In Zu, Omishan

Ruins on Baishi quest currently stated for lv 30 quest, but you can get it at lv 27

In Rakani, Omishan

Beat the Fragile Practice Dummy quest currently stated for lv 25 quest, but you can get it at lv 26
You might also wanna add the different variations of the quest at higher lvl as separate quests like:
Beat the Sturdy Practice Dummy for lv 36, XP 1 Mil
Beat the Hearty Practice Dummy for lv 46, XP %-based got about 3 mil at lv 46
Beat the ?????? Practice Dummy for lv 56, XP %-based