Pokémon GO history · #0088
Grimer in Pokémon GO.
Every recorded Grimer raid run in Pokémon GO with its dates and tier, and when its Shiny arrived.
Shiny release
Shiny Grimer first appeared on September 13, 2018, during Global Research Challenge 2018 reward.
- Grimer
- Shadow
- Muk by encounter
Shiny Alolan Grimer first appeared on June 28, 2019, during Pokémon GO 3rd Anniversary.
- Alolan Grimer
- Shadow
- Alolan Muk by encounter
Raid history
| Dates | Raid | Event |
|---|---|---|
| Sep 16 to Sep 23, 2026 | 1-starAlolan Form | Regular rotation |
| Jul 21 to Jul 27, 2026 | 1-starParty hat (red) | Ultra Unlock: 10th Anniversary Edition |
| May 20 to May 27, 2026 | 1-starAlolan Form | Regular rotation |
| Mar 31 to Apr 9, 2025 | 1-starAlolan Form | Regular rotation |
| Jul 17 to Jul 22, 2024 | 1-starAlolan Form | Ultra Unlock: Better Together |
| Jun 28 to Jul 3, 2024 | 1-starParty hat (red) | Pokémon GO's 8th Anniversary Party |
| Apr 18 to Apr 25, 2024 | 1-star | Regular rotation |
| Apr 10 to Apr 18, 2024 | 1-starAlolan Form | Regular rotation |
| Jan 27 to Feb 1, 2024 | 1-starAlolan Form | Taken Treasures |
| Aug 19 to Aug 22, 2023 | 1-star | Noxious Swamp |
| Aug 19 to Aug 22, 2023 | 1-starAlolan Form | Noxious Swamp |
| Jun 15 to Jun 29, 2023 | 1-star | Regular rotation |
| Jan 27 to Feb 6, 2023 | 1-starAlolan Form | Crackling Voltage |
| May 25 to Jun 1, 2022 | 1-starAlolan Form | Regular rotation |
| Apr 12 to Apr 26, 2022 | 1-starAlolan Form | Regular rotation |
| Feb 26 to Mar 1, 2019 | 1-star | Pokémon Day 2019 |
Common questions.
When was Shiny Grimer released in Pokémon GO?
Shiny Grimer first appeared in Pokémon GO on September 13, 2018, during Global Research Challenge 2018 reward.
When was Grimer last a raid boss in Pokémon GO?
Grimer was last in 1-star raids (Alolan Form) from September 16, 2026 to September 23, 2026.
What kind of raids has Grimer appeared in?
Grimer has appeared in 1-star raids, first on February 26, 2019.