Pokemon Go Raid Bosses

Listed below are the current Raid bosses in Pokemon GO, according to the Silph Research Group.

Update December 5th, 2022: Virizion has returned to raids in Pokémon GO and will be sticking around for the start of the Mythic Blade event! Be smart. Please obey all local restrictions on travel and gatherings when raiding.
Impossible You need a bigger group!
Hardcore Experts only! (Technically possible and someone has achieved it.)
Hard Achievable with any combo of the top 3 counters powered up to level 35.*
Medium Achievable with any combo of the top 6 counters powered up to level 30.* (5% buffer incl.)
Easy Achievable with any combo of the top 12 counters powered up to level 25.* (10% buffer incl.)
Very Easy Achievable with any combo of the top 24 counters powered up to level 20.* (15% buffer incl.)
Trivial Meets Very Easy criteria with half this number of trainers.
* No Weather or Friendship boosts required. See PokeBattler.com for top Raid Boss counter lists. PokeBattler.com Estimator utilized to rate difficulty.
Shiny variant can be obtained as a Raid boss reward encounter
NOT YET CONFIRMED Confirmation pending. We've not yet confirmed this boss in our controlled study, but believe it may still be appearing! Typically clarified within a few hours.

Mega Raids

Mega Aggron
CP Range
1,636 - 1,714
Boosted CP
2,045 - 2,143
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+

Tier 5

Virizion
CP Range
1,649 - 1,727
Boosted CP
2,061 - 2,159
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+

Tier 3

Poliwrath
CP Range
1,405 - 1,477
Boosted CP
1,757 - 1,847
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+
Aerodactyl
CP Range
1,515 - 1,590
Boosted CP
1,894 - 1,988
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+
Skarmory
CP Range
1,139 - 1,204
Boosted CP
1,424 - 1,506
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+
Breloom
CP Range
1,427 - 1,502
Boosted CP
1,785 - 1,877
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+

Tier 1

Meditite
CP Range
359 - 396
Boosted CP
449 - 495
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+
Buizel
CP Range
555 - 602
Boosted CP
694 - 753
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+
Timburr
CP Range
699 - 751
Boosted CP
874 - 939
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+
Tympole
CP Range
438 - 479
Boosted CP
548 - 599
Counters » Group Size Difficulty:
1
2
3
4
5
6
7
8+