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Koffing, the Poison Gas Pokémon — Poison-type Pokémon official artwork
poison
Koffing
ID:#109Poison Gas Pokémon
Height
0.6m
Weight
1.0kg
Catch Rate
190
Exp
68
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DiamondPearlPlatinumHeartGoldSoulSilver

Koffing Pokémon HeartGold: Moves, Sprites & Locations

Everything you need to know about Koffing in Pokémon HeartGold. On this page you'll find its Pokédex entry straight from the game, all sprite variants including shiny forms, the complete moveset of 61 moves grouped by learning method (level-up, TM/HM, egg, tutor), and every wild encounter location with levels, conditions, and catch rates.

Pokémon HeartGold
Kanto

Koffing Pokemon HeartGold Pokedex Entry

It adores polluted air. Some claim that Koffing used to be more plentiful in the Galar region than they are now.

Pokemon HeartGold Koffing Sprites

Koffing front-facing sprite from Pokémon HeartGoldPrimary
Koffing back-facing sprite from Pokémon HeartGoldReverse
Koffing shiny front-facing sprite from Pokémon HeartGoldShiny
Koffing shiny back-facing sprite from Pokémon HeartGoldShiny Reverse

Pokémon HeartGold Koffing Moveset

Complete registry of moves learned by Koffing via various methods in Pokémon HeartGold.

MoveTypeRequirement
TacklenormalLv. 1
Poison GaspoisonLv. 1
SmogpoisonLv. 6
SmokescreennormalLv. 10
AssurancedarkLv. 15
Self DestructnormalLv. 19
SludgepoisonLv. 24
HazeiceLv. 28
Gyro BallsteelLv. 33
ExplosionnormalLv. 37
Sludge BombpoisonLv. 42
Destiny BondghostLv. 46
MementodarkLv. 51

End of Move Database

Pokémon HeartGold Koffing Locations

Koffing can be caught in 4 locations across Pokémon HeartGold, including Team Rocket Hq Area. The most reliable spawn is at Team Rocket Hq Area, where you'll find it at Lv. 21 by catching the single available encounter with a 100% encounter rate.

Burned Tower 1f

4 encounters
  • walk
    Lv. 14
    20%Frequent
  • walk
    Lv. 14
    Radio off
    10%Uncommon
  • walk
    Lv. 16
    4%Very Rare
  • walk
    Lv. 16
    1%Very Rare

Burned Tower B1f

4 encounters
  • walk
    Lv. 14
    20%Frequent
  • walk
    Lv. 14
    Radio off
    10%Uncommon
  • walk
    Lv. 16
    Radio off
    10%Uncommon
  • walk
    Lv. 16
    Radio off
    10%Uncommon

Johto Safari Zone Zone Marshland

9 encounters
  • walk
    Lv. 15
    Day
    10%Uncommon
  • walk
    Lv. 15
    Morning
    10%Uncommon
  • walk
    Lv. 15
    Night
    10%Uncommon
  • walk
    Lv. 16
    Day
    10%Uncommon
  • walk
    Lv. 16
    Morning
    10%Uncommon
  • walk
    Lv. 16
    Night
    10%Uncommon
  • walk
    Lv. 17
    Morning
    10%Uncommon
  • walk
    Lv. 17
    Night
    10%Uncommon
  • walk
    Lv. 17
    Day
    10%Uncommon

Team Rocket Hq Area

5 encounters
  • only one
    Lv. 21
    100%Common
  • only one
    Lv. 21
    100%Common
  • only one
    Lv. 21
    100%Common
  • only one
    Lv. 21
    100%Common
  • only one
    Lv. 21
    100%Common