When Aggron spawns

DaySunday, November 15, 10:00 a.m. - 6:00 p.m. local time (GO Wild Area 2026).
How to spot itA pulsing wave rings the spawn on the map - that ring means mighty. Aggron shares the Sunday lineup with Azumarill, Kingdra, Aggron, Ferrothorn, Hydreigon, Goodra, Noivern, Tinkaton and Clodsire.
IncenseA shared mighty pool spawns from Incense on both days - Aggron is in that pool.

Catching a mighty Aggron

Mighty Pokemon have boosted IV odds, roll XL/XXL more often, and break out of ordinary Poke Balls constantly.

Best movesets

UseMoveset
Raid / gym attackerSmack Down + Stone Edge (Rock) or Iron Tail + Heavy Slam (Steel)
PvPSmack Down + Stone Edge and Thunder (Great League coverage)

A fortress on paper held back by two double weaknesses. Useful as a Steel defender and a spice pick in limited cups; Mega Aggron drops the Rock typing and becomes a pure-Steel wall.

Evolution line

Aron → Lairon → Aggron (25 + 100 Aron Candy)

FAQ

Can Aggron be shiny in Pokemon GO?

Yes - its shiny is released, and mighty spawns can be shiny like any other encounter.

What is Aggron weak to?

Fighting (2x), Ground (2x), Water.

Do I need the GO Wild Area ticket for Aggron?

No - Aggron spawns in the wild for every Trainer during event hours. The ticket adds Incense encounters (mighty Latias/Latios) and hourly Supply Balloons of GO Safari Balls.