Safety, air quality and noise in Columbia, Tennessee

Safety — higher is safer

Columbia, Tennessee scores 33 out of 100 for safety, where higher is safer.

Measured figure: 70.3 violent offences per 10,000 residents.

Safety uses the FBI-reported violent-offence rate of 70.3 violent offences per 10,000 residents for Mount Pleasant Police Department, whose jurisdiction is city-wide rather than a neighbourhood, from FBI Uniform Crime Reporting, latest published year.

Median across the 18 member areas; middle half 33 to 33.

Clean air — higher is cleaner

Columbia, Tennessee scores 70 out of 100 for clean air, where higher is cleaner.

Measured figure: 9.7 micrograms per cubic metre PM2.5 annual mean.

Clean air uses a median of 9.7 micrograms per cubic metre of PM2.5 across the 18 Tracts in this city, an annual mean modelled at 18 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 18 member areas; middle half 69 to 70.

Quiet — higher is quieter

Columbia, Tennessee scores 51 out of 100 for quiet, where higher is quieter.

Measured figure: 59.5 decibels (modelled).

Quiet uses a median of 59.5 decibels of modelled outdoor sound across the 18 Tracts in this city, a day-evening-night level taken at 18 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 18 member areas; middle half 37 to 96.