Daily profile : SPM-03 · spm-03 · 01/10/2026
Lden
78.9
dB(A)
LAeq,24h
73.9
Lnight
71.3
N70
1749
(night 482)
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.