Daily profile : SPM-03 · spm-03 · 20/10/2026
Lden
67.2
dB(A)
LAeq,24h
61.1
Lnight
60.9
N70
118
(night 32)
Each bar is the equivalent level of one hour; the red line is the peak instantaneous level and the dashed line the background. Dark bars mark the night hours, 23:00–07:00.