Noise Levels in Downtown Neptune City, Neptune City, NJ | Find Quiet Neighborhoods With Our Sound Map
50 dBA
Average noise across Downtown Neptune City
Quiet office
572
Residents above the EPA 55 dBA threshold
17% of Downtown Neptune City residents
75 dBA
Loudest residential point
City bus interior
This map shows modeled outdoor noise across Downtown Neptune City 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 572 Downtown Neptune City residents, or 16.6%, live above that level. By land area, 25.8% of Downtown Neptune City is above 55 dBA.
74.2% below 55 dBA
25.8% above 55 dBA
See how noise in Downtown Neptune City compares to similar-sized neighborhoods.
Noise by Part of Downtown Neptune City
Average noise levels for Downtown Neptune City residents, grouped by direction from the center of Downtown Neptune City. Eastern Downtown Neptune City carries the highest population-weighted average; Western Downtown Neptune City carries the lowest. Just 12% of residents in Western Downtown Neptune City live in blocks above the EPA's 55 dBA threshold, about half the share in Eastern Downtown Neptune City.
Central Downtown Neptune City
49.4 dBA · Mostly quiet
Quiet office
Eastern Downtown Neptune City
54.8 dBA · Moderate-loud
Quiet office to normal conversation
Northern Downtown Neptune City
50.7 dBA · Moderate
Quiet office
Southern Downtown Neptune City
52.3 dBA · Moderate
Quiet office to normal conversation
Western Downtown Neptune City
45.7 dBA · Mostly quiet
Quiet suburban street at night
Eastern Downtown Neptune City sounds about 88% louder than Western Downtown Neptune City to the human ear, a 9.1 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 Monmouth County 17 Iii do you need to be?
Monmouth County 17 Iii 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
44 dBA
Quiet suburban street at night
330 ft
35 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 23% of Downtown Neptune City sits under tree canopy (heavier than most neighborhoods) and roughly 47% 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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Rail Noise
Active freight rail runs through parts of Downtown Neptune City. For most blocks the rail-only contribution is small. Combined road-plus-rail noise rarely exceeds road noise on its own. The exceptions are the handful of blocks within roughly a quarter mile of the right-of-way during pass-through hours.
Use the Rail toggle on the map above to isolate rail's contribution from road and aviation.
How Noise Is Distributed Across Downtown Neptune City
The bar chart below shows the share of Downtown Neptune City residents in each noise band. About 82% of residents live below the EPA's 55 dBA threshold, and roughly 8% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Downtown Neptune City Compares
Downtown Neptune City sits at the louder end of the spectrum. Below: how Downtown Neptune City's average outdoor noise and share of residents above the EPA threshold compare with Berkley Estates, Ravine Gardens, West Osbornsville, and Point Pleasant Manor.
Average noise level (dBA)
Downtown Neptune City's 50.2 dBA pop-weighted average is at the louder end of the spectrum. New Jersey as a whole averages 49.8 dBA and the U.S. averages 52.0 dBA. Both are lower than Downtown Neptune City because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 16.6% of Downtown Neptune City 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, 25.8% of Downtown Neptune City's footprint sits above 55 dBA, against a New Jersey average of 25.2% and a national average of 28.1%.
What This Means if You're Moving to Downtown Neptune City
- 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 Monmouth County 17 Iii 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 23% of Downtown Neptune City is under tree cover (heavier than most neighborhoods), and the dominant land cover is low-intensity developed land. 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.
