Type matchups and best counters for Koffing in Pokémon Polished Crystal. Learn which Pokémon can effectively counter Koffing and what types to use against it.
Types that deal increased damage to Koffing. Use these types to counter it effectively.
Types that Koffing resists or is immune to. Avoid using these types against it.
Pokémon that have type advantages against Koffing, either offensively or defensively.