Safety, air quality and noise in Charleston

Safety — higher is safer

Charleston scores 48 out of 100 for safety, where higher is safer.

Measured figure: 57.2 violent offences per 10,000 residents.

Safety uses the FBI-reported violent-offence rate of 57.2 violent offences per 10,000 residents for South Charleston Police Department, whose jurisdiction is city-wide rather than a neighbourhood, from FBI Uniform Crime Reporting, latest published year.

Median across the 48 member areas; middle half 48 to 48.

Clean air — higher is cleaner

Charleston scores 63 out of 100 for clean air, where higher is cleaner.

Measured figure: 11.0 micrograms per cubic metre PM2.5 annual mean.

Clean air uses a median of 11.0 micrograms per cubic metre of PM2.5 across the 48 Tracts in this city, an annual mean modelled at 48 member-area centroids from the Copernicus CAMS regional background surface. This figure is approximate: a regional background estimate rather than a local modelled surface.

This score is approximate.

Median across the 48 member areas; middle half 63 to 64.

Quiet — higher is quieter

Charleston scores 48 out of 100 for quiet, where higher is quieter.

Measured figure: 61.0 decibels (modelled).

Quiet uses a median of 61.0 decibels of modelled outdoor sound across the 48 Tracts in this city, a day-evening-night level taken at 48 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 48 member areas; middle half 29 to 68.