Safety, air quality and noise in Southampton

Safety — higher is safer

Southampton scores 83 out of 100 for safety, where higher is safer.

Measured figure: 922.4 offences per 10,000 residents.

Safety uses a median of 922.4 offences per 10,000 residents across the 123 LSOAs in this local authority area, from Home Office police-recorded crime published through data.police.uk, 2025.

Median across the 123 member areas; middle half 74 to 87.

Clean air — higher is cleaner

Southampton scores 79 out of 100 for clean air, where higher is cleaner.

Measured figure: 7.6 micrograms per cubic metre PM2.5 annual mean.

Clean air uses a median of 7.6 micrograms per cubic metre of PM2.5 across the 123 LSOAs in this local authority area, an annual mean modelled at 123 member-area centroids from SpotCheck's city air-quality model.

Median across the 123 member areas; middle half 78 to 80.

Quiet — higher is quieter

Southampton scores 45 out of 100 for quiet, where higher is quieter.

Measured figure: 61.9 decibels (modelled).

Quiet uses a median of 61.9 decibels of modelled outdoor sound across the 123 LSOAs in this local authority area, a day-evening-night level taken at 123 member-area centroids from the national major-road traffic noise model, where a lower reading means a quieter area. This figure is approximate: modelled from the major-road network rather than a local noise surface.

This score is approximate.

Median across the 123 member areas; middle half 32 to 54.