Crystal Pool, Infernal Pass, Oni Mountain — 3 locations on the interactive map.
Fiery Path — 1 location on the interactive map.
Celadon City, Pokémon Mansion — 2 locations on the interactive map.
Pokémon Mansion — 1 location on the interactive map.
Burned Tower, Team Rocket Base — 2 locations on the interactive map.
Koffing → Weezing (Level 35)
Normal: Dream Ball, Dusk Ball, Master Ball. Shiny: Dream Ball, Dusk Ball, Master Ball. See the full matching Pokéballs guide for every Pokémon.
Base stats — HP 40, Attack 65, Defense 95, Sp. Atk 60, Sp. Def 45, Speed 35. Calculate final stats with IVs, EVs, level, nature or Champions SP.
| Language | Name |
|---|---|
| Korean | 또가스 |
| Chinese (Traditional) | 瓦斯彈 |
| French | Smogo |
| German | Smogon |
| Spanish | Koffing |
| Italian | Koffing |
| Japanese | ドガース |
| Chinese (Simplified) | 瓦斯弹 |