Noise in Alvalade
Lisbon · modelled noise guide
Alvalade averages around 74 dB(A) over the day-evening-night cycle in our model, which reads as loud. Nights average around 64 dB(A). A pleasant mid-century grid that sits directly under the runway 20 approach. Aircraft set the noise picture here more than any street does.
72% of sound energy
Across 13 sampled spots the average ranges from 69 to 77 dB(A): a fairly uniform picture across the area. The loudest hour is typically around 18:00 and the calmest around 03:00.
Questions people ask
- How noisy is Alvalade?
- Our model puts Alvalade at around 74 dB(A) as a day-evening-night average, which reads as loud. Levels range from about 69 to 77 dB(A) between its quietest and loudest streets.
- Is Alvalade quiet at night?
- Modelled night levels average around 64 dB(A), lively, about as loud as a nearby conversation. The quietest hour is typically around 03:00.
- What is the main noise source in Alvalade?
- Aircraft dominates, carrying about 72% of the modelled sound energy, followed by road traffic.
- When is Alvalade loudest?
- The loudest hour is typically around 18:00, the calmest around 03:00.
Nearby areas
What helps against the noise
Cheap fixes first (earplugs, masking sound), structural ones second (acoustic glazing takes 5 to 10 dB off the room behind it). Our short, independent picks:
Links may earn Urbient a commission. Recommendations never affect the noise estimates.
How these numbers are made. Urbient models noise from OpenStreetMap geometry: roads, rail and pedestrian streets as line sources with per-street traffic adjustments, venues as point sources, aircraft corridors calibrated against the official 2021 strategic noise map, and shielding from 466,000 building footprints. The figures here average 13 sample points spread over the area; any single address can sit well above or below them. This is a modelled estimate and never a certified measurement under DL 9/2007. Official maps: CML and APA.