Area scores › New Zealand › Christchurch
Safety, air quality and noise in Tuahiwi, Christchurch
Area scores as of 2026-08-01. Scores are area-level medians; individual properties vary.
Safety — higher is safer
Tuahiwi scores 56 out of 100 for safety, where higher is safer.
Measured figure: 969.6 offences per 10,000 residents.
Safety uses 969.6 offences per 10,000 residents for the surrounding NZ Police area unit, from NZ Police recorded crime, 2025.
Clean air — higher is cleaner
Tuahiwi 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 8.2 micrograms per cubic metre of PM2.5, an annual mean modelled at the area centroid from SpotCheck's city air-quality model.
Quiet — higher is quieter
Tuahiwi scores 78 out of 100 for quiet, where higher is quieter.
Measured figure: 49.0 decibels (modelled).
Quiet uses 49 decibels of modelled outdoor sound, a day-evening-night level at the area centroid from SpotCheck's traffic, railway and aircraft noise models, where a lower reading means a quieter area.
Get a full SpotCheck report for a specific address
Area scores describe the wider area. A SpotCheck report covers one address in detail, with air quality, noise, crime, schools, hazards and more.
Get a full SpotCheck report for a specific address