Catching Shiny Pokemon in Pokemon Go has always been a challenge, and some players are very competitive when it comes down to catching shiny forms.
The Shiny Pokemon in the game are rare to find and according to various Shiny Analysis, the shiny rates vary depending on the spawns. That being said, the shiny rates for wild encounters are different from the ones during Raid Day events, Community Day events, and/or other events.
Now, thanks to ShinyRates.com and their 24h shiny rate data, we know which Pokemon has a boosted shiny rate.
For last, you can see the list of all Pokemon that currently have their shiny form available in Pokemon Go here.