Weak toFlyingPoisonBugFireIce ×1.6

Attacker	Type	Moveset	DPS
Blacephalon	FireGhost	IncinerateMind BlownLegacy	36.2
Eternatus	PoisonDragon	Poison JabDynamax CannonLegacy	30.9
Reshiram	DragonFire	Fire FangFusion FlareLegacy	30.1
Pheromosa	BugFighting	Bug BiteBug Buzz	28.2
Salamence	DragonFlying	Fire FangFly	27.7
Chandelure	GhostFire	Fire SpinOverheat	27.5
Moltres	FireFlying	Fire SpinFly	27.3
Cinderace	Fire	Fire SpinPyroball	27.1
Enamorus	FairyFlying	Fairy WindFly	27.0
Volcarona	BugFire	Fire SpinOverheat	26.9
Darmanitan	Fire	Fire FangOverheat	26.8
Yveltal	DarkFlying	GustOblivion WingLegacy	26.7

Clear boosts the Fire attacks above. Clear boosts Bellossom.

Level 40, 15 attack IV, costed against Bellossom's own defense and typing, one per evolution family.

Bellossom's moveset, CP and shiny All counters Raid board

Questions people ask

What is Bellossom weak to in Pokémon GO?

Bellossom takes 1.6 times from Flying, Poison, Bug, Fire and Ice.

What's the best counter to Bellossom?

Blacephalon with Incinerate and Mind Blown, worth 36.2 damage per second against Bellossom's own defense. The full ranking is above.