August Noise Monitoring Report for Basel
October 1, 2026In August 2026, Feldbergstrasse was the only station with noise measurements, recording an average of 68.7 dB and a maximum of 93.2 dB, with the loudest period occurring between 09:00 and 11:59. Its August average was consistent with most reliable years since 2020, while the unusually low values in 2023 and 2024 likely reflect data issues rather than genuinely quieter conditions.
In August 2026, the only station with measured values was Feldbergstrasse. The average noise level there was 68.7 dB, which is just below the range of 70–80 dB that is considered very loud. The maximum recorded level during the month was 93.2 dB, and the 95th percentile value was 85.8 dB. The highest single measurement in August 2026 occurred on August 28 between 09:00 and 11:59, reaching 90.8 dB. The quietest time of day at Feldbergstrasse in August 2026 was between 00:00 and 02:59, with an average of 62.0 dB and a maximum of 75.4 dB, while the loudest period was 09:00 to 11:59, with an average of 71.3 dB and a maximum of 90.8 dB.
Looking at historical August values for Feldbergstrasse since 2020, the average noise level has been fairly stable in most years, ranging from about 65.0 to 70.3 dB, with the exception of 2024 and 2023, which show much lower averages of 24.1 dB and 39.4 dB respectively. These two years also have unusually low maximum values, suggesting either measurement gaps, sensor issues, or very different conditions. The August 2026 average of 68.7 dB is close to the typical range seen in 2020, 2021, 2022, and 2025. The maximum of 93.2 dB in August 2026 is slightly higher than the historical August maxima, which ranged from 87.5 to 90.8 dB in the more reliable years. The all-time statistics for Feldbergstrasse since 2020 show an average of 68.7 dB, a maximum of 93.2 dB, and a 99th percentile of 88.3 dB. The gap between the maximum and the 99th percentile indicates that the highest values are rare outliers rather than typical conditions.
The highest noise level ever recorded at Feldbergstrasse since 2020 was 93.2 dB, which occurred in August 2026. The all-time lowest noise level at Feldbergstrasse was 24.1 dB, recorded in August 2024, though this value likely reflects incomplete or faulty data rather than a genuinely quiet environment. The decibel scale is logarithmic, meaning that a 10 dB increase corresponds to a tenfold increase in sound intensity. For reference, a quiet room is around 30 dB, normal conversation is about 50–60 dB, and street traffic from close by can reach 70–80 dB. Additional details on noise monitoring and methodology can be found in the sources linked in the footer.
Table 1: Day and Night Noise Levesl in August at Feldbergstrasse
| Year | Day Average [dB] | Day Maximum [dB] | Night Average [dB] | Night Maximum [dB] |
|---|---|---|---|---|
| 2020 | 71.7 | 89.0 | 68.2 | 86.9 |
| 2021 | 71.3 | 88.3 | 67.9 | 88.6 |
| 2022 | 66.2 | 86.8 | 63.4 | 87.5 |
| 2023 | 42.4 | 71.7 | 24.1 | 24.1 |
| 2024 | 24.1 | 24.1 | 24.1 | 24.1 |
| 2025 | 70.8 | 89.5 | 67.7 | 90.3 |
| 2026 | 70.5 | 90.8 | 67.5 | 90.4 |
Figure 1: Average Noise Level by Time of Day in August at Station Feldbergstrasse (last 5 Years)
Additional resources: Smart Climate - Projektabschluss, BAFU.admin.ch: Grenzwerte für Lärm
🤖 This text was generated with the assistance of AI. All quantitative statements are derived directly from the dataset listed under Data Source.