Research and analysis
H5ai: Percentage of the population exposed to road transport noise across day, evening and night (Lden) in England, 2022
Updated 1 December 2025
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| decibels | Road_Lden_percentage |
|---|---|
| 40 | 98.13405728008932 |
| 41 | 97.6736908844926 |
| 42 | 97.08430501542075 |
| 43 | 96.3217947787171 |
| 44 | 95.350928173444 |
| 45 | 94.12665401205052 |
| 46 | 92.59036884510124 |
| 47 | 90.65598241525232 |
| 48 | 88.18744425904596 |
| 49 | 84.85571500609944 |
| 50 | 79.92677251956263 |
| 51 | 71.90923177739322 |
| 52 | 60.01359988246705 |
| 53 | 48.09585494479227 |
| 54 | 38.504292407803966 |
| 55 | 31.522915167772613 |
| 56 | 26.389265033247028 |
| 57 | 22.42393042202067 |
| 58 | 19.23198522065133 |
| 59 | 16.586305273728726 |
| 60 | 14.341700508131003 |
| 61 | 12.336838174791186 |
| 62 | 10.555588701920396 |
| 63 | 9.00364670313771 |
| 64 | 7.596166161626826 |
| 65 | 6.281764690097194 |
| 66 | 5.055402387582364 |
| 67 | 3.963253154816329 |
| 68 | 3.023583018548808 |
| 69 | 2.2592023359523994 |
| 70 | 1.6616925089118193 |
| 71 | 1.211329713075782 |
| 72 | 0.8840002847763117 |
| 73 | 0.6403804546834125 |
| 74 | 0.4522863657309521 |
| 75 | 0.3075349900531504 |