| MPCB, HQ (C) | ||
| Months | Day | Night |
| Standard Limit in Leq dB(A) | 65 | 55 |
| January | 68 | 58 |
| Febraury | 72 | 67 |
| March | 69 | 59 |
| April | 68 | 60 |
| May | 77 | 79 |
| June | 72 | 62 |
| July | 70 | 60 |
| August | 69 | 60 |
| September | 69 | 60 |
| October | 70 | 65 |
| November | 68 | 59 |
| December | 68 | 59 |
| All Values are measured in Leq dB(A) | ||
| I= Industrial, C= Commercial, R= Residential, S= Silence | ||