Daily profile : SPM-01 · spm-01 · 27/09/2026
Lden
65.0
dB(A)
LAeq,24h
60.0
Lnight
58.2
N70
77
(night 22)
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.