Noise Levels in Urbanizacion University Gdns, San Juan, PR | Find Quiet Neighborhoods With Our Sound Map

63 dBA
Average noise across Urbanizacion University Gdns
Busy restaurant
2,951
Residents above the EPA 55 dBA threshold
62% of Urbanizacion University Gdns residents
81 dBA
Loudest residential point
City bus interior

This map shows modeled outdoor noise across Urbanizacion University Gdns at 100-meter resolution, combining road, aviation, and rail sources. Green areas measure below 45 dBA. Orange and red exceed the EPA's 55 dBA outdoor threshold linked to long-term health effects. Use the layer toggles to view each source on its own or all together.

Overall
Road
Rail
Aviation
Urbanizacion University Gdns, San Juan, PR Map of Noise Levels in Urbanizacion University Gdns
Click the map to explore
35 45 55 EPA 70 90
Quietest (dBA) Loudest
Colorblind friendly off

What the numbers sound like

  • 30 dBAWhisper
  • 40 dBASoft rainfall
  • 45 dBAQuiet suburban street at night
  • 50 dBAQuiet office
  • 55 dBAEPA outdoor threshold: light traffic 100 ft away
  • 60 dBANormal conversation an arm's length away
  • 65 dBABusy restaurant
  • 70 dBAHighway traffic 50 ft away
  • 80 dBACity bus interior

Population Above the EPA Outdoor Threshold

The EPA's 55 dBA outdoor reference level is a common benchmark for residential noise exposure, especially for activity interference, annoyance, and long-term community noise concerns. About 2,951 Urbanizacion University Gdns residents, or 62.5%, live above that level. By land area, 64.4% of Urbanizacion University Gdns is above 55 dBA.

See how noise in Urbanizacion University Gdns compares to similar-sized neighborhoods.

Noise by Part of Urbanizacion University Gdns

Average noise levels for Urbanizacion University Gdns residents, grouped by direction from the center of Urbanizacion University Gdns. Western Urbanizacion University Gdns carries the highest population-weighted average; Central Urbanizacion University Gdns carries the lowest. Just 56% of residents in Central Urbanizacion University Gdns live in blocks above the EPA's 55 dBA threshold, three-quarters of the share in Western Urbanizacion University Gdns.

Central Urbanizacion University Gdns

58.5 dBA · Loud
Normal conversation an arm’s length away

56% of people above 55 dBA

QuietLoud

Eastern Urbanizacion University Gdns

59.3 dBA · Loud
Normal conversation an arm’s length away

59% of people above 55 dBA

QuietLoud

Western Urbanizacion University Gdns

71.7 dBA · Loud
City bus interior

75% of people above 55 dBA

QuietLoud

Western Urbanizacion University Gdns sounds about 150% louder than Central Urbanizacion University Gdns to the human ear, a 13.2 dBA gap. Every 10 dBA roughly doubles perceived loudness. Within any of these directions, two homes a quarter mile apart can still differ by 10 or more dBA depending on how close they sit to a major highway.

How far back from do you need to be?

produces an estimated 81 dBA at its loudest centerline points. Noise drops logarithmically with distance, with the exact rate depending on what's between you and the road. Tree cover, walls, terrain, and pavement type all matter. At roughly a quarter mile back, traffic fades into the noise level of a quiet suburban street at night.

At source
81 dBA
City bus interior
165 ft
68 dBA
Highway traffic 50 ft away
330 ft
60 dBA
Normal conversation an arm’s length away
660 ft
53 dBA
Quiet office to normal conversation
¼ mile
45 dBA
Quiet suburban street at night
½ mile
38 dBA
Soft rainfall

Calculated from the model's calibrated attenuation formula. About 0% of Urbanizacion University Gdns sits under tree canopy (about average for neighborhoods) and roughly 0% is impervious surface like pavement and rooftops. Both are folded into the per-place decay rate above. Heavier canopy pulls noise down faster with distance; impervious surfaces slow the drop.

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Airport Noise

Luis Munoz Marin International (SJU) sits northeast of Urbanizacion University Gdns. The U.S. Department of Transportation models aviation noise around this airport from federal traffic data, and the model uses those federal measurements rather than synthetic predictions.

Blocks under the approach and departure paths carry combined road-plus-aviation noise, with some exceeding 65 dBA on the map's Overall layer. Blocks on the opposite side of Urbanizacion University Gdns, particularly to the southwest, show no measurable aviation contribution. Use the Aviation toggle on the map above to isolate the airport's footprint.

How Noise Is Distributed Across Urbanizacion University Gdns

The bar chart below shows the share of Urbanizacion University Gdns residents in each noise band. About 6% of residents live below the EPA's 55 dBA threshold, and roughly 43% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.

How Urbanizacion University Gdns Compares

Urbanizacion University Gdns sits at the louder end of the spectrum. Below: how Urbanizacion University Gdns's average outdoor noise and share of residents above the EPA threshold compare with Urbanizacion Caparra Terrace, Machuchal, Urbanizacion Santiago Iglesias, and San Mateo.

Average noise level (dBA)

Urbanizacion University Gdns's 62.8 dBA pop-weighted average is at the louder end of the spectrum. Puerto Rico as a whole averages 52.9 dBA and the U.S. averages 52.0 dBA. Both are lower than Urbanizacion University Gdns because most of either area is rural land away from major roads.

Share of residents above 55 dBA

About 62.5% of Urbanizacion University Gdns residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's in the middle of its peer group. Measured by land area instead, 64.4% of Urbanizacion University Gdns's footprint sits above 55 dBA, against a Puerto Rico average of 36.1% and a national average of 28.1%.

What This Means if You're Moving to Urbanizacion University Gdns

  • Distance from highways matters more than the neighborhood name. Two homes in the same zip code can differ by 20 dBA if one sits 100 meters from and the other 500 meters away. The model captures this at 100-meter resolution, so noise exposure changes block by block.
  • Tree canopy can help reduce modeled noise exposure. Roughly 0% of Urbanizacion University Gdns is under tree cover (about average for neighborhoods), and the dominant land cover is . Both are measured from federal USDA Forest Service and USGS satellite imagery at 30-meter resolution. Streets with 60% or higher canopy show 3 to 5 dBA lower noise than comparable streets with bare ground or pavement, which is why the per-place decay rate above already accounts for it.
  • Airport noise is directional. Luis Munoz Marin International's approach paths concentrate aviation noise to the northeast. Neighborhoods to the southwest of downtown show no measurable contribution from the airport.

Sources & Methodology

The BestNeighborhood noise model is calibrated against nearly one million federal ground-truth measurements across four states. Road noise is computed from segment-level federal traffic data and propagated outward using physics-based acoustic decay, with attenuation rates that depend on the surrounding land cover.

Federal datasets used:

FHWA Highway Performance Monitoring System: road geometry, traffic counts, lane configuration
U.S. DoT Bureau of Transportation Statistics National Transportation Noise Map: aviation and rail noise, road calibration ground truth
USGS / MRLC National Land Cover Database: land cover and impervious surface coverage
USDA Forest Service Tree Canopy Cover: vegetation density for sound propagation
U.S. Census Bureau TIGER/Line: block-level geography and population
U.S. EPA Levels Document: 55 dBA outdoor reference level

All inputs are published federal datasets. Block-level noise is computed by combining road, rail, and aviation sound sources in the energy domain, the same physics used in professional environmental noise assessments. Read the full methodology.