How do I stop my sky from exploding?

I’ve started getting this weird blowout/bloom effect on some of my levels. I can’t rightly figure out why, since this wasn’t happening before, and they don’t look like this in-editor, only during play.

Last time this was happening it turned out I had multiple post-process volumes, but that doesn’t appear to be the cause this time. Any suggestions on how I can save my eyeballs here?

I assume it’s first person that by the view, you can apply Post processing to the first person camera so check the setting. Also check the project rendering settings as that has bloom and auto exposure on by default.