Area scores › Australia › Sydney
Safety, air quality and noise in Dee Why - North, Sydney
Area scores as of 2026-08-01. Scores are area-level medians; individual properties vary.
Safety — higher is safer
Dee Why - North scores 86 out of 100 for safety, where higher is safer.
Measured figure: 306.5 offences per 10,000 residents.
Safety uses 306.5 offences per 10,000 residents for the surrounding local government area, from state police agencies, published nationally by the ABS, 2024.
Clean air — higher is cleaner
Dee Why - North scores 68 out of 100 for clean air, where higher is cleaner.
Measured figure: 10.1 micrograms per cubic metre PM2.5 annual mean.
Clean air uses 10.1 micrograms per cubic metre of PM2.5, an annual mean modelled at the area centroid from SpotCheck's city air-quality model.
Quiet — higher is quieter
Dee Why - North scores 30 out of 100 for quiet, where higher is quieter.
Measured figure: 68.0 decibels (modelled).
Quiet uses 68 decibels of modelled outdoor sound, a day-evening-night level at the area centroid from SpotCheck's traffic, railway and aircraft noise models, where a lower reading means a quieter area.
Nearby areas
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