Koffing

#109 in the Red and Blue Pokédex • Poison Gas Pokémon

Koffing

#109 in the Red and Blue Pokédex • Poison Gas Pokémon

Stats

Base stat spread shown as a hex chart and supporting stat bars.

Min

Max

190

284

Attack

121

251

Defense

175

317

Special

112

240

Speed

185

Total

295

Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.

Lickitung

Weezing

Normal

Koffing

Poison Gas Pokémon

#109

Height

0.6 m (2'00")

Weight

1 kg (2.2 lbs)

It's Super Effective

Damage multipliers Koffing takes from each attacking type, sorted from worst weakness to best resistance.

Weak to

2×

2×

2×

Resists

0.5×

0.5×

Growth

EV yield, catch rate, and experience details for this Pokémon.

Pokédexes	Kanto #109
EV yield	1 Def
Catch rate	190
Base Exp.	68

Eggs

Egg groups, gender ratio, and hatching details for this Pokémon.

Egg Groups	Amorphous
Gender	50% male 50% female
Egg cycles	20 (5,120 steps)

Lore

Version-specific Pokédex entries for this Pokémon.

Pokémon Red

Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.

Pokémon Blue

Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.

Evolution

Evolution requirements shown in a compact table or chain view.

Pokémon	Requires	Evolution
Koffing #109	Level 35	Weezing #110

Encounters

Known encounter locations for this Pokémon in this game.

Blue

Location	Method	Level	Chance	Conditions
Pokémon Mansion Pokemon Mansion (1F)	Walking in tall grass or a cave	30	5%	-
Pokémon Mansion Pokemon Mansion (2F)	Walking in tall grass or a cave	30	5%	-
Pokémon Mansion Pokemon Mansion (3F)	Walking in tall grass or a cave	34	5%	-
Pokémon Mansion Pokemon Mansion (B1F)	Walking in tall grass or a cave	35	5%	-

Red

Location	Method	Level	Chance	Conditions
Pokémon Mansion Pokemon Mansion (1F)	Walking in tall grass or a cave	32	20%	-
Pokémon Mansion Pokemon Mansion (1F)	Walking in tall grass or a cave	30	20%	-
Pokémon Mansion Pokemon Mansion (2F)	Walking in tall grass or a cave	34	20%	-
Pokémon Mansion Pokemon Mansion (2F)	Walking in tall grass or a cave	34	15%	-
Pokémon Mansion Pokemon Mansion (2F)	Walking in tall grass or a cave	30	10%	-
Pokémon Mansion Pokemon Mansion (3F)	Walking in tall grass or a cave	31	20%	-
Pokémon Mansion Pokemon Mansion (3F)	Walking in tall grass or a cave	35	15%	-
Pokémon Mansion Pokemon Mansion (B1F)	Walking in tall grass or a cave	33	20%	-
Pokémon Mansion Pokemon Mansion (B1F)	Walking in tall grass or a cave	31	20%	-
Pokémon Mansion Pokemon Mansion (B1F)	Walking in tall grass or a cave	31	10%	-

Moves

Moves this Pokémon learns naturally by reaching specific levels.

		Class
Start	Tackle	Physical	35	95	35
Start	Smog	Physical	20	70	20
32	Sludge	Physical	65	100	20
37	Smokescreen	Status	-	100	20
40	Self-Destruct	Physical	130	100	5
45	Haze	Status	-	-	30
48	Explosion	Physical	170	100	5

Machines

Moves this Pokémon can learn from Technical Machines and Hidden Machines in Pokémon Red and Blue.

		Class
TM06	Toxic	Status	-	85	10
TM20	Rage	Physical	20	100	20
TM24	Thunderbolt	Special	95	100	15
TM25	Thunder	Special	110	70	10
TM31	Mimic	Status	-	-	10
TM32	Double Team	Status	-	-	15
TM34	Bide	Physical	-	-	10
TM36	Self-Destruct	Physical	130	100	5
TM38	Fire Blast	Special	110	85	5
TM44	Rest	Status	-	-	5
TM47	Explosion	Physical	170	100	5
TM50	Substitute	Status	-	-	10

#108

Lickitung

#110

Weezing

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Koffing

Weak to

Resists

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Koffing