Pokémon HeartGold

You can find Koffing in Pokémon HeartGold at Team Rocket HQ and Burned Tower at levels 14 to 21.

Where	How	Levels	Rate
Team Rocket HQ : Team Rocket Headquarters B1F	Fixed encounter	21	Fixed
Burned Tower : Burned Tower 1F	Walk	14-16	35%

Pokémon Omega Ruby

You can find Koffing in Pokémon Omega Ruby at Fiery Path at levels 8 to 16.

Where	How	Levels	Rate
Fiery Path	Grass, Horde b	8-16	100%

Pokémon SoulSilver

You can find Koffing in Pokémon SoulSilver at Team Rocket HQ and Burned Tower at levels 14 to 21.

Where	How	Levels	Rate
Team Rocket HQ : Team Rocket Headquarters B1F	Fixed encounter	21	Fixed
Burned Tower : Burned Tower 1F	Walk	14-16	35%

Pokémon Shield

You can find Koffing in Pokémon Shield at Motostoke Riverbank, Dusty Bowl, Giant’s Mirror at levels 22 to 47, and everywhere below.

Where	How	Levels	Rate
Motostoke Riverbank : z_wr0121_ground	Walk	28-30	40%
Dusty Bowl : z_wr0132_ground	Walk	42-47	35%
Giant’s Mirror : z_wr0133	Walk	26-29	30%
Motostoke Outskirts : z_d0301_ground	Walk	22-26	15%

Pokémon Sword

You can find Koffing in Pokémon Sword at Motostoke Riverbank, Dusty Bowl, Giant’s Mirror at levels 22 to 47, and everywhere below.

Where	How	Levels	Rate
Motostoke Riverbank : z_wr0121_ground	Walk	26-28	40%
Dusty Bowl : z_wr0132_ground	Walk	42-47	35%
Giant’s Mirror : z_wr0133	Walk	26-29	30%
Motostoke Outskirts : z_d0301_ground	Walk	22-26	15%

Pokémon Red

You can find Koffing in Pokémon Red at Pokémon Mansion at levels 30 to 35.

Where	How	Levels	Rate
Pokémon Mansion : Pokemon Mansion 1f	Walk	30-35	39.8%

Pokémon Gold

You can find Koffing in Pokémon Gold at Burned Tower at levels 14 to 16.

Where	How	Levels	Rate
Burned Tower : Burned Tower 1f	Walk	14-16	35%

Pokémon Silver

You can find Koffing in Pokémon Silver at Burned Tower at levels 14 to 16.

Where	How	Levels	Rate
Burned Tower : Burned Tower 1f	Walk	14-16	35%

Pokémon Crystal

You can find Koffing in Pokémon Crystal at Burned Tower at levels 12 to 16.

Where	How	Levels	Rate
Burned Tower : Burned Tower 1f	Walk	12-16	30%

Pokémon FireRed

You can find Koffing in Pokémon FireRed at Pokémon Mansion and Celadon City at levels 28 to 40.

Where	How	Levels	Rate
Pokémon Mansion	Walk	28-30	30%
Celadon City	Surf	30-40	1%

Pokémon Emerald

You can find Koffing in Pokémon Emerald at Fiery Path at levels 15 to 16.

Where	How	Levels	Rate
Fiery Path	Walk	15-16	25%

Pokémon Platinum

You can find Koffing in Pokémon Platinum at Stark Mountain at level 53.

Where	How	Levels	Rate
Stark Mountain : Stark Mountain Room 2	Walk, Radar	53	NaN%

Pokémon: Let's Go, Eevee!

You can find Koffing in Pokémon: Let's Go, Eevee! at Cinnabar Island and Route 10 at levels 37 to 44.

Where	How	Levels	Rate
Cinnabar Island : Pokemon Mansion (1F)	Walk	39-44	40%
Route 10 : Power Plant	Walk	37-42	25%

Pokémon Ruby

You can find Koffing in Pokémon Ruby at Fiery Path at levels 15 to 16.

Where	How	Levels	Rate
Fiery Path	Walk	15-16	25%

Pokémon Alpha Sapphire

You can find Koffing in Pokémon Alpha Sapphire at Fiery Path at level 15.

Where	How	Levels	Rate
Fiery Path	Grass	15	16.7%

Pokémon Black 2

You can find Koffing in Pokémon Black 2 at Virbank Complex at levels 10 to 14.

Where	How	Levels	Rate
Virbank Complex	Walk, Dark grass	10-14	15%

Pokémon White 2

You can find Koffing in Pokémon White 2 at Virbank Complex at levels 10 to 14.

Where	How	Levels	Rate
Virbank Complex	Walk, Dark grass	10-14	15%

Pokémon Blue

You can find Koffing in Pokémon Blue at Pokémon Mansion at levels 30 to 35.

Where	How	Levels	Rate
Pokémon Mansion : Pokemon Mansion 1f	Walk	30-35	5.1%

Pokémon LeafGreen

You can find Koffing in Pokémon LeafGreen at Pokémon Mansion and Celadon City at levels 28 to 40.

Where	How	Levels	Rate
Pokémon Mansion	Walk	28	5%
Celadon City	Surf	30-40	1%

Pokémon Sapphire

You can find Koffing in Pokémon Sapphire at Fiery Path at level 14.

Where	How	Levels	Rate
Fiery Path	Walk	14	2%

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