The radio dial now is now mostly content that can be syndicated across the country - classic rock, Top N Hits, NPR, and so forth. The occasional local morning show dots the programming.
There are some holdouts. I find that Emerson College's WERS carries much of the original WFNX spirit. I'll give an honorable mention to WXRV up in Andover as well.
Some interesting documentaries about the Boston radio scene, for those interested:
* https://theamericanrevolution.fm/
* https://www.kickstarter.com/projects/295945558/we-want-the-a... (the original site seems gone)