NOISE MONITORING DATA 2017 - CPCB ENVIS RP

Anna Nagar (S)
Months Day Night
Standard Limit in Leq dB(A) 50 40
January 66 57
Febraury 64 54
March 66 59
April 68 63
May 67 62
June 66 64
July 65 62
August 64 60
September 64 58
October 64 58
November 66 57
December 67 57
All Values are measured in Leq dB(A)
I= Industrial, C= Commercial, R= Residential, S= Silence