On level 32 he evolves into Larion.
Source: Serebii.net
Aron will evolve into Lairon at level 32, then into Aggron at level 42.
get to a certain level above aron and lairon
Your Aron will evolve at level 32 into Lairon.
level 32
you have to evolve aron to a aggron
31 lvl.
Use your poke radar at Fuego Ironworks to catch aron evolve Aron at level 32 into Lairon then 42 For Aggron
Aron evolves at level 32 into lairon .
Aron evolves into Lairon at level 32
at level 32 and evolves again on level 42.
Aron will most likely evolve at level 23 unless paralyzed
Aron evolves into Lairon at level 32.