List of Raid Bosses changes/2019

This page is the list of changes of Raid Bosses occurred in 2019.

In this year, Palkia, Dialga, Giratina Origin Forme, Uxie, Mesprit and Azelf were introduced. Defense Forme Deoxys was new to EX Raid Battle.

January 3rd
The raid pool changed after Holiday event. Mainly the types of tier 1 to 4 Raid Bosses are strong against Heatran. Breloom was previously a tier 3 Raid Boss.

January 15th
The Hoenn Celebration changed Raid Bosses to Hoenn Pokémon, highlight shiny Kyogre and Groudon. Region-exclusive Pokémon Lunatone and Solrock appeared in raids all over the world.

January 29th
Palkia became available. Mainly the types of tier 1 to 4 Raid Bosses are strong against Palkia.

February 13th
The Valentine's Day event featured pink-colored Raid Bosses.

February 22nd
Raid Bosses returned to previous layout of Palkia after Valentine's Day. In addition, Latias returned in Special Raid Week until March 1st.

February 26th
The Pokémon Day event featured Kanto Raid Bosses.

March 1st
Dialga became available. Mainly the types of tier 1 to 4 Raid Bosses are strong against Dialga. During first few hours, Palkia still appeared in raid.

March 15th
Rayquaza returned in Special Raid Weekend until March 18th without shiny variant.

March 19th
The Equinox event featured Grass-type Raid Bosses. Breloom changed back to a tier 3 Raid Boss. At the start of the event, Kanto Marowak was mistakenly used as a tier 4 Raid Boss.

March 27th
Raid Bosses returned to previous layout of Dialga after Equinox. Deoxys Defense Forme started to appear in EX Raid Battle, which was announced earlier.

March 28th
Giratina Altered Forme returned. Mainly the types of tier 1 to 4 Raid Bosses are strong against Giratina.

April 2nd
Giratina Origin Forme became available along with the start of Bug Out featuring Bug-type Raid Bosses.

April 10th
Raid Bosses returned to previous layout of Giratina after Bug Out, with Origin Forme this time. Shiny Bagon was released on April 13th Community Day.

April 15th
Latios returned in Special Raid Week until April 22nd.

April 20th
Shuckle was added to tier 3 during Pokémon GO Safari Zone in Sentosa.

April 22nd
Shuckle left.

April 23rd
Latios left.

April 29th
Groudon became available along with the start of Earth Day featuring Ground-type Raid Bosses.

May 2nd
The Lake Guardians were available as regional Raid Bosses, with Uxie in Asia-Pacific region, Mesprit in Europe, Middle East, Africa and India, and Azelf in Americas and Greenland. Mainly the types of tier 1 to 4 Raid Bosses are strong against the Lake Guardians.

May 7th
The Detective Pikachu Celebration included select Pokémon featured in the movie in Raid Battles.

May 18th
Raid Bosses returned to previous layout of Lake Guardians after Detective Pikachu Celebration.

May 21st
The Extraordinary Raid Week featured new special Raid Bosses. Feebas was previously a tier 1 Raid Boss.