Noise Levels in Hermondale, MO | Find Quiet Neighborhoods With Our Sound Map
44 dBA
Average noise across Hermondale
Quiet suburban street at night
4
Residents above the EPA 55 dBA threshold
3% of Hermondale residents
77 dBA
Loudest residential point
City bus interior
This map shows modeled outdoor noise across Hermondale 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 4 Hermondale residents, or 3.4%, live above that level. By land area, 4.0% of Hermondale is above 55 dBA.
96.0% below 55 dBA
4.0% above 55 dBA
See how noise in Hermondale compares to similar-sized cities.
Noise by Part of Hermondale
Average noise levels for Hermondale residents, grouped by direction from the center of Hermondale. Eastern Hermondale carries the highest population-weighted average; Northern Hermondale carries the lowest. Just 2% of residents in Northern Hermondale live in blocks above the EPA's 55 dBA threshold, a fifth of the share in Eastern Hermondale.
Eastern Hermondale
49.0 dBA · Mostly quiet
Quiet office
Northern Hermondale
40.5 dBA · Quiet
Soft rainfall
Southern Hermondale
43.8 dBA · Quiet
Quiet suburban street at night
Western Hermondale
43.6 dBA · Quiet
Quiet suburban street at night
Eastern Hermondale sounds about 80% louder than Northern Hermondale to the human ear, a 8.5 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 Nn do you need to be?
Nn produces an estimated 57 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
57 dBA
Normal conversation an arm’s length away
165 ft
43 dBA
Quiet suburban street at night
330 ft
36 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 Hermondale sits under tree canopy (much lighter than most cities) 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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Rail Noise
Active freight rail runs through parts of Hermondale. 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 Hermondale
The bar chart below shows the share of Hermondale residents in each noise band. About 97% of residents live below the EPA's 55 dBA threshold, and roughly 3% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.
How Hermondale Compares
Hermondale sits the lowest among the peer group. Below: how Hermondale's average outdoor noise and share of residents above the EPA threshold compare with Samford, Shade, Denton, and Hollywood.
Average noise level (dBA)
Hermondale's 43.9 dBA pop-weighted average is the lowest among the peer group. Missouri as a whole averages 53.9 dBA and the U.S. averages 52.0 dBA. Both are lower than Hermondale because most of either area is rural land away from major roads.
Share of residents above 55 dBA
About 3.4% of Hermondale 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, 4.0% of Hermondale's footprint sits above 55 dBA, against a Missouri average of 32.5% and a national average of 28.1%.
What This Means if You're Moving to Hermondale
- 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 Nn 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 Hermondale is under tree cover (much lighter than most cities), and the dominant land cover is cultivated cropland. 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.
