Poison Gas (Japanese: どくガス Poison Gas) is a non-damaging Poison-type move introduced in Generation I.
Poison Gas poisons the target and has an accuracy of 55%.
Poison Gas targets one opponent or ally in Double Battles.
Poison Gas's accuracy is increased to 80% and now targets all adjacent opponents in Double and Triple Battles.
Poison Gas's accuracy changed from 80% to 90%.