NOISE MONITORING DATA 2011 | CPCB ENVIS 
Noise Monitoring Data 
 KOLKATA  -  2011
Months 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
Gol Park (I) Standard Limit in Leq dB(A):Day 75, Night 70 62 58 61 57 62 58 64 59 66 61 64 60 64 60 65 61 64 61 64 60 62 60
New Market (C) Standard Limit in Leq dB(A):Day 65, Night 55 67 58 67 60 67 61 67 61 67 61 67 60 68 61 68 60 67 60 66 58 67 57
Patauli (R) Standard Limit in Leq dB(A): Day 55, Night 45 55 47 55 47 55 50 55 50 56 50 56 52 56 50 55 51 55 51 53 46 53 47
SSKM Hosp (S) Standard Limit in Leq dB(A):Day 50, Night 40 62 55 62 55 61 55 61 55 61 54 61 54 61 54 62 54 61 54 61 53 61 52
Head Quarter (C) Standard Limit in Leq dB(A):Day 65, Night 55 63 58 62 56 62 56 62 56 62 56 62 54 62 55 62 55 61 56 61 55 62 53