Daily profile : SPM-03 · spm-03 · 12/10/2026
Lden
71.0
dB(A)
LAeq,24h
63.9
Lnight
64.9
N70
193
(night 57)
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.