Daily profile : SPM-03 · spm-03 · 21/10/2026
Lden
71.1
dB(A)
LAeq,24h
66.6
Lnight
61.7
N70
304
(night 28)
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.