Reference
Environmental Noise Reference
Standard noise level limits (in decibels) recommended by health and safety organizations for various environments.
ICU
Daytime Limit
45 dB
Nighttime Limit
35 dB
WHO recommends below 35 dB average to ensure patient comfort and recovery.
Patient Ward
Daytime Limit
40 dB
Nighttime Limit
30 dB
Levels should be kept low to promote healing and rest.
Hospital Corridor
Daytime Limit
50 dB
Nighttime Limit
40 dB
High traffic area, but noise should be minimized to avoid disturbing rooms.