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. 2021 May 30;18(11):5877. doi: 10.3390/ijerph18115877

Figure 9.

Figure 9

Sound levels comparing the summer of 2019 with 2020, using a weekly rolling average Lden. The summer of 2019 is dominated by festivals, especially considering that the festivals often take place in the evening, when the Lden applies a 5 dBA penalty on sound levels. In the absence of these festivals, the sound levels cannot be characterized as low.