Noise Monitoring Data 
 KOLKATA  -  2014
Months January February March April May June July August September October November December
Stations Day Night Day Night Day Night Day Night Day Night Day Night Day Night Day Night Day Night Day Night Day Night Day Night
Gol Park (I) Standard Limit in Leq dB(A):Day 75, Night 70 71 68 71 69 65 62 67 63 69 65 72 69 70 68 71 69 66 65 72 71 73 71 70 68
New Market (C) Standard Limit in Leq dB(A):Day 65, Night 55 69 58 68 61 68 61 68 62 67 62 68 61 69 63 68 61 71 71 73 72 73 72 73 71
Patauli (R) Standard Limit in Leq dB(A): Day 55, Night 45 52 63 54   55 48 55 50 57 51 56 52 56 51 56 50 55 50 55 50 54 47 54 46
SSKM Hosp (S) Standard Limit in Leq dB(A):Day 50, Night 40 61 55 62 55 62 56 63 58 64 60 63 58 63 56 63 56 63 57 61 56 61 55 61 54
Head Quarter (C) Standard Limit in Leq dB(A):Day 65, Night 55 64 58 65 60 64 58 63 57 64 58 64 57 64 57 64 57 64 57 63 57 63 57 64 58
All Values are measured in Leq dB(A)
 (I= Industrial, C= Commercial, R= Residential, S= Silence)