Daily profile : SPM-03 · spm-03 · 11/10/2026
Lden
73.1
dB(A)
LAeq,24h
68.4
Lnight
65.2
N70
451
(night 73)
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.