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

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-Health-app-Hearing-Environmental-Sound-Levels.jpg 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/id1096545820 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.