Daily profile : SPM-03 · spm-03 · 14/10/2026
Lden
75.1
dB(A)
LAeq,24h
70.9
Lnight
60.8
N70
647
(night 49)
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.