Page 108 - U4SSC KPIs Verification Manual - A guide for verifiers

Dimension Environment
Sub-Dimension Environment

Category Environmental Quality
KPI Name Noise Exposure
KPI No. EN: EN: EQ: 2A Type: Advanced Type: Sustainable

Definition / Percentage of inhabitants exposed to excessive noise levels
Description

Rationale / Exposure to prolonged levels of excessive noise can lead to negative health effects
Interpretation / and affect the ability of residents to enjoy outdoor/indoor city life.
Benchmarking
Exposure to noise shall be calculated in accordance with the requirements of ISO
1996-2:1987 Acoustics – Description and measurement of environmental noise.
Excessive noise exposure should be mapped the area of the city where the noise
level [LDEN (day-evening-night)] exceeds 55 dB(A).
A lower value and a declining trend are positive indicators.
Methodology Calculate as:

Numerator: Number of city inhabitants exposed to noise levels [LDEN (day-
evening-night)] over 55 dB(A).
Denominator: Total number of city inhabitants.

Multiply by 100.
Unit Percentage
Data Sources Data can be collected through municipal/national environmental departments.
/ Relevant
Database

SDG SDG Target 11.6: By 2030, reduce the adverse per capita environmental impact of
Reference(s) cities, including by paying special attention to air quality and municipal and other
waste management.
Verification Check data sources.
Guidance
Noise level overlayed over population information on GIS is common method.

98 U4SSC KPIs Verification Manual-A guide for verifiers