Table 2.
Equivalent internal and external noise levels from studies
| Author | Indoor noise dB (A) Leq | Outdoor noise dB (A) Leq | ||
|---|---|---|---|---|
| Daytime | Nighttime | Daytime | Nighttime | |
| Carvalhais et al. 2015 | 48.7–71.7 (24 h) | |||
| Chen 2015 | 51–73 | |||
| Fiedler and Zannin 2015 | > 65 | |||
| Filus et al. 2015 | 56.6–64.7 | 59.0–68.8 | ||
| Lahav 2015 | 58.7–60.0 | |||
| Monazzam et al. 2015 | 59.9–70.1 | |||
| Oliveira et al. 2015 | 54.8–65.2 | 43.4–54.9 | ||
| Garrido Galindo et al. 2016 | 58.9–65.7 | 57.0–64.2 | ||
| Luetz et al. 2016 | 50.9–56.2 (24 h) | |||
| Pirsaheb et al. 2016 | 52.0–88.6 | |||
| Shield et al. 2016 | 50.0–60.6 | 41.4–52.9 | ||
| Shoemark et al. 2016 | 55–65 (24 h) | |||
| de Araújo Vieira et al. 2016 | 58.2–65.6 | |||
| Ai et al. 2017 | 62.6–67.7 | |||
| Disher et al. 2017 | 43–70 (24 h) | |||
| D’Souza et al. 2017 | 59.4–62.1 | |||
| Galindo et al. 2017 | 59.5–65.3 (24 h) | |||
| Santos et al. 2017 | 46.6–71.7 (24 h) | |||
| Bevan et al. 2018 | 38.7–62.0 | |||
| Predrag et al. 2018 | 64.6–69.9 | 58.3–65.4 | ||
| Bliefnick et al. 2019 | 52–61 (24 h) | |||
| Cho et al. 2019 | 37–67 | |||
| Loupa et al. 2019 | 57–76 | |||
| Montes-González et al. 2019 | 55.7–60.2 | 51.4–55.5 | ||
| Terzi et al. 2019 | 61–71 (24 h) | |||
| Tezel et al. 2019 | 62.7–84.7 (24 h) | |||
| Wu et al. 2019 | 57.3–63.8 | |||
| Yildirim and Mayda 2019 | 48.5–70.8 | |||
| Zijlstra et al. 2019 | 39.7–54.6 (24 h) | |||
| Astin et al. 2020 | 49.2–51.6 | |||
| García-Rivero et al. 2020 | 83.3–88.6 | |||
| Hasegawa and Ryherd 2020 | 51.8–59.8 (24 h) | |||
| Tang et al. 2020 | 45–70.5 | |||