Noise Levels in Urbanizacion Monte Carlo-San Juan, San Juan, PR | Find Quiet Neighborhoods With Our Sound Map
52 dBA
Average noise across Urbanizacion Monte Carlo-San Juan
Quiet office to normal conversation
658
Residents above the EPA 55 dBA threshold
20% of Urbanizacion Monte Carlo-San Juan residents
58 dBA
Loudest residential point
Normal conversation an arm’s length away
This map shows modeled outdoor noise across Urbanizacion Monte Carlo-San Juan 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.
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 658 Urbanizacion Monte Carlo-San Juan residents, or 19.9%, live above that level. By land area, 36.8% of Urbanizacion Monte Carlo-San Juan is above 55 dBA.
63.2% below 55 dBA
36.8% above 55 dBA
See how noise in Urbanizacion Monte Carlo-San Juan compares to similar-sized neighborhoods.
Noise by Part of Urbanizacion Monte Carlo-San Juan
Average noise levels for Urbanizacion Monte Carlo-San Juan residents, grouped by direction from the center of Urbanizacion Monte Carlo-San Juan. Central Urbanizacion Monte Carlo-San Juan carries the highest population-weighted average; Northern Urbanizacion Monte Carlo-San Juan carries the lowest. Just 1% of residents in Northern Urbanizacion Monte Carlo-San Juan live in blocks above the EPA's 55 dBA threshold, a fifth of the share in Central Urbanizacion Monte Carlo-San Juan.
Central Urbanizacion Monte Carlo-San Juan
53.9 dBA · Moderate-loud
Quiet office to normal conversation
Northern Urbanizacion Monte Carlo-San Juan
50.5 dBA · Moderate
Quiet office
Southern Urbanizacion Monte Carlo-San Juan
51.4 dBA · Moderate
Quiet office to normal conversation
Central Urbanizacion Monte Carlo-San Juan sounds about 27% louder than Northern Urbanizacion Monte Carlo-San Juan to the human ear, a 3.4 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 58 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 soft rainfall.
At source
58 dBA
Normal conversation an arm’s length away
165 ft
45 dBA
Quiet suburban street at night
330 ft
38 dBA
Soft rainfall
660 ft
35 dBA
Soft rainfall
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall
Calculated from the model's calibrated attenuation formula. About 0% of Urbanizacion Monte Carlo-San Juan 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 north of Urbanizacion Monte Carlo-San Juan. 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 Monte Carlo-San Juan, particularly to the south, 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 Monte Carlo-San Juan
The bar chart below shows the share of Urbanizacion Monte Carlo-San Juan residents in each noise band. About 97% of residents live below the EPA's 55 dBA threshold, and roughly 0% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Urbanizacion Monte Carlo-San Juan Compares
Urbanizacion Monte Carlo-San Juan sits the lowest among the peer group. Below: how Urbanizacion Monte Carlo-San Juan's average outdoor noise and share of residents above the EPA threshold compare with Urbanizacion El Comandante, Parcelas Hill Brothers, Villa Prades, and Urbanizacion Rivieras de Cupey.
Average noise level (dBA)
Urbanizacion Monte Carlo-San Juan's 52.0 dBA pop-weighted average is the lowest among the peer group. Puerto Rico as a whole averages 52.9 dBA and the U.S. averages 52.0 dBA. Both are lower than Urbanizacion Monte Carlo-San Juan because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 19.9% of Urbanizacion Monte Carlo-San Juan residents live in blocks where outdoor levels exceed the EPA's 55 dBA threshold. That's fewer than any of its peer group. Measured by land area instead, 36.8% of Urbanizacion Monte Carlo-San Juan'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 Monte Carlo-San Juan
- 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 Monte Carlo-San Juan 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 north. Neighborhoods to the south of downtown show no measurable contribution from the airport.
