Daily profile : SPM-03 · spm-03 · 04/10/2026
Lden
75.9
dB(A)
LAeq,24h
69.8
Lnight
69.9
N70
1139
(night 439)
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.