Nuisance — Areas exposed to departmental noise D922A (map of “type c” Lden) in Loir-et-Cher

Noise level zones describe a noise exposure situation based on a noise indicator or area affected by noise. They are used primarily for the preparation of strategic noise maps pursuant to Article R.572-5 of the Environmental Code.噪声等级区（Noise level zones）是基于噪声指标或受噪声影响的区域，用于描述噪声暴露状况的划定单元。该类区划主要用于依据《环境法典》第R.572-5条的规定编制战略噪声地图。