Niantic has announced that Dynamax Pokémon will be coming to Pokémon GO and players will be able to do Max Battles.

GO Big with Dynamax Pokémon in new Max Battles!

Trainers,
GO out, GO big, and GO wild with a new Season in Pokémon GO, where Dynamax Pokémon debut in Max Battles! Stay tuned for the latest findings on the Dynamax phenomenon!

GO Big

Tuesday, September 10, at 10:00 a.m. to Sunday, September 15, 2024, at 8:00 p.m. local time

Dynamax Debuts!

The following Pokémon will make their Pokémon GO Dynamax debuts in one-star Max Battles!

Bulbasaur
Charmander
Squirtle
Skwovet
Wooloo

Pokémon caught from Max Battle encounters, as well as their Evolutions, can be Dynamaxed during Max Battles.

: If you’re lucky, you might encounter a Shiny one!

Max Out Special Research

Another part of the Seasonal Special Research story will be available to all Trainers beginning at the start of the event. Trainers can complete tasks focused on Max Battles to earn Max Particles, a new avatar item, and more!

You can claim this Special Research at no cost from Tuesday, September 3, at 10:00 a.m. to Tuesday, December 3, 2024, at 9:59 a.m. local time.

Event Bonuses

: 2× XP for winning a Max Battle
: 2× XP for spinning PokéStops

Field Research Task Encounters

Event-themed Field Research tasks will be available! The following Pokémon will be available to encounter when you complete Field Research tasks!

Bulbasaur
Charmander
Squirtle
Skwovet
Wooloo

: If you’re lucky, you might encounter a Shiny one!

PokéStop Showcases

Be on the lookout for Showcases at different PokéStops where you can enter event-themed Pokémon!

Pokémon GO Web Store - Max Particle Pack

An exclusive Max Particle Pack Bundle will be available on the Pokémon GO Web Store for US$7.99 (or the equivalent pricing tier in your local currency) starting September 8, 2024 at 6:00 p.m. PDT! The Max Particle Pack Bundle will feature six Max Particle Packs, for a total of 4,800 Max Particles for all your Dynamax needs!

Source: https://pokemongolive.com/en/post/go-big-dynamax/