TABLE II.
Comparison of sound levels before and during quarantine. Day-time and night-time period. Weekly energy average.
| Weekly energy average | ||||||||
|---|---|---|---|---|---|---|---|---|
| Station location | Lday (dBA) | Day-time difference | Lnight (dBA) | Night-time difference | ||||
| Before quarantine | During quarantine | In dB | In % | Before quarantine | During quarantine | In dB | In % | |
| Obelisk | 71.9 | 69.9 | −2.0 | −36.9% | 68.3 | 64.4 | −3.9 | −59.3% |
| 226 Callao Ave. | 73.8 | 71.9 | −1.9 | −35.4% | 71.8 | 68.0 | −3.8 | −58.3% |
| 7264 Rivadavia Ave. | 75.3 | 70.6 | −4.7 | −66.1% | 72.9 | 66.0 | −6.9 | −79.6% |
| 4350 Triunvirato Ave. | 70.8 | 69.1 | −1.7 | −32.4% | 66.6 | 63.9 | −2.7 | −46.3% |
| 4550 Santa Fe Ave. | 76.0 | 74.6 | −1.4 | −27.6% | 72.8 | 69.6 | −3.2 | −52.1% |