Page 85 - U4SSC Collection Methodology for Key Performance Indicators for Smart Sustainable Cities
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Collection Methodology for Key Performance Indicators for Smart Sustainable Cities
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 Reference(s) SDG Target 11.6: By 2030, reduce the adverse per capita environmental impact of
cities, including by paying special attention to air quality and municipal and other
waste management.
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