Long-time Pokémon GO Dataminer Chrales has revealed all the new research quests required to unlock Celebi in the game. These have just gone live as well.
Celebi quests 1/2
Make {0} new friends
Evolve an evolved Grass-type Pokémon
Catch a Pokémon {0} days in a row
Use a Sun Stone to evolve Gloom or Sunkern
Walk 10 km with Eevee as your buddy to earn Candy
Evolve Eevee into Espeon during the day
Send {0} Gifts to friends— Chrales (@Chrales) August 20, 2018
The quests are as follows (numbers not yet known):
Quests in order
- Power up Pokémon 5 times, Battle in a Gym 2 times, and Battle in a raid
Total new quests list
- Make [?] new friends
- Evolve an evolved Grass-type Pokémon
- Catch a Pokémon [?] days in a row
- Use a Sun Stone to evolve Gloom or Sunkern
- Walk 10 km with Eevee as your buddy to earn Candy
- Evolve Eevee into Espeon during the day
- Send[?] Gifts to friends
- Evolve Eevee into Umbreon at night
- Trade Pokémon[?] times
- Trade a Pokémon
- Visit PokéStops[?] days in a row
- Use [?] Pinap Berries while catching Pokémon
- Use items to evolve Pokémon [?] times
- Catch[?] Grass- or Psychic-type Pokémon
- Earn a Gold Johto medal
Rewards known so far include a Sun Stone, Silver Pinap Berries (a new item – both increases candy earned from catching by 2, and the catch rate by 1.8), and of course Celebi by the end.
We’ll update as further details become clear.
Source: Daily.pokecommunity