Daily profile : SPM-03 · spm-03 · 13/10/2026
Lden
66.2
dB(A)
LAeq,24h
63.3
Lnight
57.1
N70
158
(night 12)
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.