Area scores › United States

Safety, air quality and noise in San Luis Obispo

Area scores as of 2026-08-01. Scores are area-level medians; individual properties vary.

7.8/10

Safety — higher is safer

San Luis Obispo scores 7.8 out of 10 for safety, where higher is safer.

Measured figure: 19.9 violent offences per 10,000 residents.

Safety uses a median of 19.9 violent offences per 10,000 residents across this area's Census tracts, each tract carrying the FBI-reported rate of its nearest reporting agency (4 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 28 member areas; middle half 7.8 to 8.9.

8.8/10

Clean air — higher is cleaner

San Luis Obispo scores 8.8 out of 10 for clean air, where higher is cleaner.

Measured figure: 5.5 micrograms per cubic metre PM2.5 annual mean.

Clean air uses a median of 5.5 micrograms per cubic metre of PM2.5 across the 28 Tracts in this city, an annual mean modelled at 28 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 28 member areas; middle half 8.8 to 9.0.

8.3/10

Quiet — higher is quieter

San Luis Obispo scores 8.3 out of 10 for quiet, where higher is quieter.

Measured figure: 46.7 decibels (modelled).

Quiet uses a median of 46.7 decibels of modelled outdoor sound across the 28 Tracts in this city, a day-evening-night level taken at 28 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 28 member areas; middle half 6.6 to 10.0.

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