[oops]

The Apple Watch Noise app measures loud noises. The Health app on iOS has a section called Environmental Sound Levels that shows the measurements over time on a chart. This of course doesn't help if you can also hear the noises, but it sounds like that is not the case?

[blackhaj7]

We can't hear the noises. Something like the Apple Watch noise monitoring would be great as we could say "see, the decibels haven't gone above x in the last week" but as far as I can see it doesn't give you this info over time

[oops]

The measurements taken by the watch can be viewed over time in the Health app on iOS. Try image searching for "Environmental Sound Levels" "iOS" "Health" to get an idea of how it looks. e.g. here is a screenshot: https://www.idropnews.com/wp-content/uploads/2023/04/Apple-H...

It sounds like this iOS app can write noise levels to the Health app too: https://apps.apple.com/us/app/niosh-sound-level-meter/id1096... so maybe that could let you test drive this if you don't already have the watch.

[tcldr]

Try Decibel Meter Ultra (https://www.decibelmeterultra.com/) if you have an iOS device. It will give you a graph over time and you can leave it running over night. Free version is limited to 2 min duration but has a 7-day free trial.