Researchers are proposing the use of the CUQI , a new metric that measures urban soundscapes based on both acoustic intensity and context rather than just noise pollution, creating a better understanding of environmental quality. QNS Index (Quietness + Naturalness): This index combines Leqcap L sub e q end-sub
A circular city approach, which includes the integration of electric vehicles and sustainable mobility, is essential to reducing noise at the source. quietness
thresholds). Modern strategies now combine objective acoustic indicators with subjective perception. Researchers are proposing the use of the CUQI