Hoping for some help!

I moved into a new house about a month ago. Two rooms in the house have led flood lights on dimmer switches. They’ve worked perfectly fine before last night, no issues at all.

Last night there was a power outage that took out most of the town. Our standby generator kicked on so we had no power for about five seconds. Power was restored, the generator turned off ten minutes later, the whole thing took maybe two hours.

Today the LED’s….flicker. They remain ok but it’s kind of a rapid low level pulsing that’s just noticeable enough to be annoying but I can’t catch on camera. Dosent matter how dim I make it, turning them off and on, it just flickers.

Any ideas? I’m a first time not-an-apartment person and everything seems to me like it’s a potential explosion waiting to happen.

Thanks!