| Peeniya (I) | ||
| Months | Day | Night |
| Standard Limit in Leq dB(A) | 75 | 70 |
| January | 53 | 57 |
| Febraury | 56 | 60 |
| March | 53 | 55 |
| April | 48 | 46 |
| May | 52 | 51 |
| June | 55 | 59 |
| July | 54 | 57 |
| August | 57 | 55 |
| September | 57 | 65 |
| October | 72 | 74 |
| November | 73 | 69 |
| December | 76 | 67 |
| All Values are measured in Leq dB(A) | ||
| I= Industrial, C= Commercial, R= Residential, S= Silence | ||