Safety, air quality and noise in Butte

Safety — higher is safer

Butte scores 67 out of 100 for safety, where higher is safer.

Measured figure: 39.5 violent offences per 10,000 residents.

Safety uses a median of 39.5 violent offences per 10,000 residents across this area's Census tracts, each tract carrying the FBI-reported rate of its nearest reporting agency (2 agencies in all), from FBI Uniform Crime Reporting, latest published year, where each agency's rate is jurisdiction-wide, not a neighbourhood figure.

Median across the 11 member areas; middle half 67 to 67.

Clean air — higher is cleaner

Butte scores 76 out of 100 for clean air, where higher is cleaner.

Measured figure: 8.2 micrograms per cubic metre PM2.5 annual mean.

Clean air uses a median of 8.2 micrograms per cubic metre of PM2.5 across the 11 Tracts in this city, an annual mean modelled at 11 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 11 member areas; middle half 76 to 76.

Quiet — higher is quieter

Butte scores 43 out of 100 for quiet, where higher is quieter.

Measured figure: 62.7 decibels (modelled).

Quiet uses a median of 62.7 decibels of modelled outdoor sound across the 11 Tracts in this city, a day-evening-night level taken at 11 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 11 member areas; middle half 32 to 63.