Each item in Minecraft has a unique ID assigned to it, known as an item ID, this can be used in commands to spawn the item into the game. The item ID for air in Minecraft is shown below:
The Air item can be spawned in Minecraft with the below command. Cheats must be enabled before this will work.
Contrary to the name of this website, air can't be spawned as an item in your inventory. It is used as a block to represent, well, air! It can't be seen and is non-solid (so you can walk through it).
|Max Stack Size||64|
|Min / Max State IDs||0 - 0|