Home/ Pokédex/ Koffing
No. 0109 · Generation I · Kanto

Koffing

The Poison Gas Pokémon
Poison
Weak to with Levitate Psychic
All matchups
Koffing
Sprite

TL;DR. Koffing is a pure poison-type Pokémon from Generation I. Base Stat Total: 340. Because it stores several kinds of toxic gases in its body, it is prone to exploding without warning.

Poison

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

Height0.6 m
Weight1.0 kg
AbilitiesLevitate, Neutralizing Gas
HiddenStench
Base stats

Stat spread.

Total of 340. Higher peaks mean specialized roles, flat spreads favor versatility.

HP 40
Attack 65
Defense 95
Sp. Attack 60
Sp. Defense 45
Speed 35
Total340
340 base stat total, the 719th-highest of all 1025 Pokémon species and 55th among Poison-types.
95 base Defense, Koffing's strongest stat, ranking 7th of 83 Poison-types.

Rankings computed across all 1025 base-species Pokémon (Mega and Gigantamax forms excluded). Source: National Pokédex base stats.

Pokémon GO

Koffing in Pokémon GO.

Pokémon GO uses its own hand-tuned base stats, distinct from the main-series spread above. At a perfect 15/15/15, Koffing reaches 1,214 CP at level 40 and 1,389 CP as a best buddy.

GO Attack119
GO Defense141
GO Stamina120
Max CP (L40)1,214
Max CP (L50)1,373
Best buddy (L51)1,389
Raid catch CP 645–694 (L20). Weather boosted 806–867 (L25).

Run the numbers: CP & HP calculator · PvP IV optimizer · Catch CP calculator

Shiny release

Shiny Koffing first appeared on July 25, 2019, during Team GO Rocket disruption.

  1. Koffing
  2. Shadow
  3. Galarian Weezing
  4. Weezing by encounter

Recent raid runs

Last in raids: Mar 21 to Apr 10, 2024, 1-star.

DatesRaidEvent
Mar 21 to Apr 10, 20241-starRegular rotation
Nov 7 to Nov 14, 20191-starTeam GO Rocket Leader Disruption
Jul 25 to Jul 31, 20191-starTeam GO Rocket Disruption

Full Koffing GO history

Competitive

Koffing in competitive play.

Koffing is a Generation 9 LC-tier pick in Smogon singles. In Pokémon GO it ranks #1028 in the Great League.

LC
Tank
Sludge Bomb / Thunderbolt / Will-O-Wisp / Pain Split
  • ItemEviolite
  • AbilityNeutralizing Gas
  • NatureModest
  • EVs36 HP / 156 Def / 196 SpA / 76 Spe
  • TeraWater
Pokémon GO Battle League
Great League #1028 58.1 score

Build around it: GO PvP IV optimizer · Team builder · Ask Dia

Movesets via Smogon, GO ranks via PvPoke. Updated 2026-06-01.

Quick answers

Common questions about Koffing.

Direct, sourced answers to the most-asked questions about Koffing, each computed straight from its Pokédex data.

What type is Koffing?

Koffing is a pure Poison-type Pokémon. It has a single typing, which means a simpler matchup chart but also fewer resistances.

What is Koffing weak to?

Koffing takes 2× damage from Ground, Psychic. It has no 4× weaknesses.

What is Koffing resistant to?

Koffing resists Grass, Fighting, Poison, Bug, Fairy. It has no full immunities.

How does Koffing evolve?

Koffing evolves into Weezing (Level 35) or Galarian Weezing (Level 35 in Galar (yields Galarian Weezing)).

What generation is Koffing from?

Koffing was introduced in Generation I (the Kanto region). Its Pokédex number is #0109.

What are Koffing's base stats?

Koffing has HP 40, Attack 65, Defense 95, Special Attack 60, Special Defense 45, and Speed 35. Total base stat total: 340.

What are Koffing's abilities?

Koffing can have the abilities Levitate, Neutralizing Gas, plus the Hidden Ability Stench.

Is Koffing legendary or mythical?

No. Koffing is a regular Pokémon, not classified as Legendary or Mythical.

What is Koffing's best stat?

Koffing's highest base stat is Defense at 95, which ranks 7th of 83 Poison-type Pokémon.

Is Koffing good?

Koffing has a base stat total of 340, the 719th-highest of all 1025 Pokémon species and 55th among Poison-types. That is a modest total, typical of an unevolved or utility Pokémon.

Does Koffing's ability change its weaknesses?

Yes. With Levitate, Ground moves miss it. Neutralizing Gas does not change its matchups. Stench does not change its matchups.

See the full Q&A page for Koffing →
Sprites · Sound

Through the generations.

Koffing as drawn across two decades of Pokémon games, plus the modern Pokémon HOME render. Hit the cry button to hear it.

Koffing in Red / Blue
Gen I Red / Blue
Koffing in Gold
Gen II Gold
Koffing in Emerald
Gen III Emerald
Koffing in HeartGold / SoulSilver
Gen IV HeartGold / SoulSilver
Koffing in Black / White
Gen V Black / White
Koffing in X / Y
Gen VI X / Y
Koffing in Ultra Sun / Ultra Moon
Gen VII Ultra Sun / Ultra Moon
Koffing 3D render in Pokémon HOME
HOME Modern 3D render
Type matchups

In battle.

Damage multipliers when Koffing is hit by each attacking type. 4× is two stacked weaknesses, ¼× is two stacked resistances. Some abilities change them; pick one to see its chart.

Ability

Levitate: Ground moves miss it.

Neutralizing Gas: does not change its type matchups.

Stench: does not change its type matchups.

2× Weak to
Psychic
½× Resists
Grass Fighting Poison Bug Fairy
0× Immune to
Ground
2× Weak to
Ground Psychic
½× Resists
Grass Fighting Poison Bug Fairy
Comparison

Koffing vs. the average Poison-type.

Each base stat measured against the mean across all 83 Poison-type Pokémon.

Stat Koffing Poison avg Difference
HP 40 66 -26
Attack 65 72 -7
Defense 95 66 +29
Special Attack 60 71 -11
Special Defense 45 69 -24
Speed 35 68 -33
Total 340 412 -72
Ask Dia about Koffing Compare it, check weaknesses, or get a quick competitive verdict.
Game appearances

Koffing appears in 31 games.

Every mainline release where Koffing is obtainable, has a dex entry, or is transferable. Grouped by generation.

Gen I
  • 1998 Blue
  • 1998 Red
  • 1999 Yellow
Gen II
  • 2000 Gold
  • 2000 Silver
  • 2001 Crystal
Gen III
  • 2003 Ruby
  • 2003 Sapphire
  • 2004 FireRed
  • 2004 LeafGreen
  • 2005 Emerald
Gen IV
  • 2007 Diamond
  • 2007 Pearl
  • 2009 Platinum
  • 2010 HeartGold
  • 2010 SoulSilver
Gen V
  • 2011 Black
  • 2011 White
  • 2012 Black 2
  • 2012 White 2
Gen VI
  • 2013 X
  • 2013 Y
  • 2014 Alpha Sapphire
  • 2014 Omega Ruby
Gen VII
  • 2018 Let's Go, Eevee!
  • 2018 Let's Go, Pikachu!
Gen VIII
  • 2019 Shield
  • 2019 Sword
Gen IX
  • 2023 Teal Mask DLC
  • 2026 Pokémon Pokopia
Side games + live service
  • 2016 Pokémon GO
How to get it

How to get Koffing.

Every main-series game Koffing is in, newest first: how to get it, version exclusives and Shiny locks.

Generation IXObtainableNot in the game
  • Scarlet · VioletObtainable
    • Trade(Version 2.0.1+)
    • WildOni Mountain, Infernal Pass, Crystal Pool (The Teal Mask)

    Needs The Teal Mask

  • Legends: Z-ANot in the game
Generation VIIIObtainableNot in the game
  • Sword · ShieldObtainable
    • WildDusty Bowl, Giant's Mirror, Motostoke Outskirts, Motostoke Riverbank
    • RaidEast Lake Axewell, Giant's Cap, Hammerlocke Hills, Motostoke Riverbank, North Lake Miloch (Max Raid Battle)
  • Brilliant Diamond · Shining PearlObtainable
  • Legends: ArceusNot in the game
Generation VIIObtainableTradeTransfer only
  • Sun · Moon · Ultra Sun · Ultra MoonTransfer only
    • TransferPokémon Bank
  • Let's Go, Pikachu!Trade

    Let's Go, Eevee! exclusive

  • Let's Go, Eevee!Obtainable
    • WildPower Plant, Pokémon Mansion

    Let's Go, Eevee! exclusive

Generation VIObtainableTrade
  • X · YTrade
  • Omega Ruby · Alpha SapphireObtainable
    • WildFiery Path
Generation VObtainableTrade
  • Black · WhiteTrade
  • Black 2 · White 2Obtainable
    • WildVirbank Complex
Generation IVObtainable
  • Diamond · PearlObtainable
  • PlatinumObtainable
    • WildStark Mountain
  • HeartGold · SoulSilverObtainable
    • WildBurned Tower
    • WildSafari Zone (tall grass in Marshland, default)
    • WildTeam Rocket HQ (Five)
Generation IIIObtainable
  • Ruby · Sapphire · EmeraldObtainable
    • WildFiery Path
  • FireRed · LeafGreenObtainable
    • WildPokémon Mansion
    • WildCeladon City (surfing)
Generation IIObtainable
  • Gold · Silver · CrystalObtainable
    • WildBurned Tower
    • WildTeam Rocket HQ (Seven)
Generation IObtainableTrade
  • Red · BlueObtainable
    • WildPokémon Mansion
  • YellowTrade
Pokémon HOME
Send it to HOME from Pokémon Bank; Let's Go, Eevee!; Sword; Shield; Brilliant Diamond; Shining Pearl; Scarlet; Violet; FireRed; and LeafGreen. From HOME it can move into Sword, Shield, Brilliant Diamond, Shining Pearl, Scarlet and Violet.
Pokémon Champions
Not on the roster.
Pokémon anime

Koffing appears in 25 episodes.

From EP002 (1997-04-08) through HZ070 (2024-10-25).

Browse them on the anime guide

TCG Pocket appearances

Koffing in TCG Pocket.

Every printed variant on iOS / Android. Tap any card for full art.

Team Rocket’s Koffing TCG Pocket card from Team Rocket’s Ambition
Team Rocket’s Koffing
◆ Common
Koffing TCG Pocket card from Ruler of the Skies
Koffing
✦ Shiny
Koffing TCG Pocket card from Pulsing Aura
Koffing
◆ Common
Koffing TCG Pocket card from Mythical Island
Koffing
◆ Common
Koffing TCG Pocket card from Genetic Apex
Koffing
◆ Common