| NIMHANS (S) | ||
| Months | Day | Night |
| Standard Limit in Leq dB(A) | 50 | 40 |
| January | 59 | 57 |
| Febraury | 60 | 57 |
| March | 61 | 57 |
| April | 59 | 55 |
| May | 60 | 57 |
| June | 65 | 61 |
| July | 64 | 60 |
| August | 63 | 57 |
| September | 65 | 55 |
| October | 61 | 51 |
| November | 70 | 70 |
| December | 66 | 66 |
| All Values are measured in Leq dB(A) | ||
| I= Industrial, C= Commercial, R= Residential, S= Silence | ||