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Blast resistance






Catches fire from lava


Data value

dec: 0 hex: 0 bin: 0


See § Data values

Air is the block present in otherwise empty space.

Cave air[Java Edition only] is the underground air found in some generated structures and in caves.

Void air[Java Edition only] is used internally for blocks above (Y>255) and below (Y<0) the world, and in unloaded chunks.

Natural generation[edit]

Most generated structures generate air. Air is also generated in any space not occupied by another block.

Structures above ground generate normal air (with the exception of exposed badlands abandoned mineshafts and surface ponds, which generate cave air[1][2]), and underground structures generate cave air. Void air is used in place of unloaded chunks and above or below the world's buildable area.


Air cannot be kept in the inventory and can only be destroyed or created by the placement or removal of other blocks respectively, although it is suggested by the /give command.[3]

Air can be selected in the creation of worlds tab in Legacy Console Edition.


Air, shown at left, is represented by blue cubes within structures. Red cubes represent structure void.

Air shares some properties with non-solid blocks, including allowing the player or mob to move within that space without suffocating, and also to catch their breath if they are drowning in water.

Air can be visualized with the use of structure blocks in save mode. With "Show invisible blocks" enabled, air is represented as small blue cubes.

Cave air and void air have no special properties; they are functionally the same as normal air.

Data values[edit]


Java Edition:

Block Namespaced ID
Air air
Cave Air cave_air
Void Air void_air

Bedrock Edition:

Block Namespaced ID Numeric ID
Air air 0


Java Edition pre-Classic
Cave game tech testAir added, but it wasn't internally a block.
Java Edition Indev
0.31Air will now affect liquid blocks that are horizontally adjacent to it. If air is touching the fluid block, there will be a 23 chance the fluid block will disappear and make the pool recede and a 13 chance the fluid block will fill the air, making the pool spread.
Java Edition
1.7.213w38bAir is now internally a block[4] and can be kept in the inventory. It has a missing texture, MissingTextureInventory.png.
Air would drop from killing villagers and slimes (only medium and big ones).
13w38cAir can no longer be kept in the inventory.
1.1016w20aAir can now be visualized with the use of structure blocks.
1.1317w47aPrior to The Flattening, this block's numeric ID was 0.
18w06aAdded two new variations of air: cave air and void air.
Caves now generate cave air instead of normal air.
Void air is now internally used at Y values less than 0 or greater than 255 and in unloaded chunks.
Pocket Edition Pre-release
Pre-releaseAdded air.
Legacy Console Edition
TU1CU11.00Patch 11.0.1Added air.
New Nintendo 3DS Edition
0.1.0Added air.


Issues relating to "Air" are maintained on the bug tracker. Report issues there.