How to Measure noise levels with Apple Watch?

Monitor your environmental noise exposure with Apple Watch

When you pair Apple Watch with your iPhone and set up the Noise app on Apple Watch, environmental sound levels are automatically sent from Apple Watch to the Health app on iPhone (watchOS 6 or later required).

View the details about a noise notification

When noise in your environment reaches a level that might affect your hearing, you can get a notification from Apple Watch on your iPhone. To view the details about a notification, do the following:

1. On your iPhone, open the Health app, then tap Summary at the bottom left.
2. Tap the notification at the top of the screen, then tap More Details.

See your exposure to environmental noise levels over time

1. On your iPhone, open the Health app, tap Browse at the bottom right, then tap Hearing.
2. Tap Environmental Sound Levels, then do any of the following:

• View exposure levels over a time period: Tap the tabs at the top of the screen. (All levels are measured in decibels.)
• Learn about the sound level classifications: Tap .
• Change the time span displayed in the graph: Swipe the graph left or right.
• See details about a moment in time: Touch and hold the graph, then drag to move the selection.
• View details about average exposure: Tap Show More Data, then tap Daily Average.
• View a line representing average exposure: Tap Exposure below the graph.
• View the high and low range: Tap Show More Data, then tap Range.
• View highlights: Scroll down. To see more, tap Show All.

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