Noise Levels in Aurora Knolls-Hutchinson Heights, Aurora, CO | Find Quiet Neighborhoods With Our Sound Map

55 dBA
Average noise across Aurora Knolls-Hutchinson Heights
Quiet office to normal conversation
2,209
Residents above the EPA 55 dBA threshold
35% of Aurora Knolls-Hutchinson Heights residents
72 dBA
Loudest residential point
City bus interior

This map shows modeled outdoor noise across Aurora Knolls-Hutchinson Heights 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
Aurora Knolls-Hutchinson Heights, Aurora, CO Map of Noise Levels in Aurora Knolls-Hutchinson Heights
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35 45 55 70 90
Quietest (dBA) Loudest
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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 2,209 Aurora Knolls-Hutchinson Heights residents, or 34.8%, live above that level. By land area, 33.1% of Aurora Knolls-Hutchinson Heights is above 55 dBA.

See how noise in Aurora Knolls-Hutchinson Heights compares to similar-sized neighborhoods.

Noise by Part of Aurora Knolls-Hutchinson Heights

Average noise levels for Aurora Knolls-Hutchinson Heights residents, grouped by direction from the center of Aurora Knolls-Hutchinson Heights. Southern Aurora Knolls-Hutchinson Heights carries the highest population-weighted average; Eastern Aurora Knolls-Hutchinson Heights carries the lowest. Just 22% of residents in Eastern Aurora Knolls-Hutchinson Heights live in blocks above the EPA's 55 dBA threshold, about half the share in Southern Aurora Knolls-Hutchinson Heights.

Central Aurora Knolls-Hutchinson Heights

52.6 dBA · Moderate
Quiet office to normal conversation

31% of people above 55 dBA

QuietLoud

Eastern Aurora Knolls-Hutchinson Heights

51.4 dBA · Moderate
Quiet office to normal conversation

22% of people above 55 dBA

QuietLoud

Northern Aurora Knolls-Hutchinson Heights

53.5 dBA · Moderate-loud
Quiet office to normal conversation

29% of people above 55 dBA

QuietLoud

Southern Aurora Knolls-Hutchinson Heights

62.9 dBA · Loud
Busy restaurant

50% of people above 55 dBA

QuietLoud

Western Aurora Knolls-Hutchinson Heights

53.7 dBA · Moderate-loud
Quiet office to normal conversation

46% of people above 55 dBA

QuietLoud

Southern Aurora Knolls-Hutchinson Heights sounds about 122% louder than Eastern Aurora Knolls-Hutchinson Heights to the human ear, a 11.5 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 do you need to be?

produces an estimated 72 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
72 dBA
City bus interior
165 ft
58 dBA
Normal conversation an arm’s length away
330 ft
50 dBA
Quiet office
660 ft
42 dBA
Quiet suburban street at night
¼ mile
35 dBA
Soft rainfall
½ mile
35 dBA
Soft rainfall

Calculated from the model's calibrated attenuation formula. About 16% of Aurora Knolls-Hutchinson Heights sits under tree canopy (about average for neighborhoods) and roughly 54% 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

Denver International (DEN) sits north of Aurora Knolls-Hutchinson Heights. The U.S. Department of Transportation measures aviation noise around this airport directly, 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 75 dBA on the map's Overall layer. Blocks on the opposite side of Aurora Knolls-Hutchinson Heights, 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 Aurora Knolls-Hutchinson Heights

The bar chart below shows the share of Aurora Knolls-Hutchinson Heights residents in each noise band. About 63% of residents live below the EPA's 55 dBA threshold, and roughly 16% live in blocks above 60 dBA. Long-term exposure in that range is linked to elevated stress hormones and cardiovascular risk.

How Aurora Knolls-Hutchinson Heights Compares

Aurora Knolls-Hutchinson Heights sits the highest among the peer group. Below: how Aurora Knolls-Hutchinson Heights's average outdoor noise and share of residents above the EPA threshold compare with Seven Hills, Center Pointe, Mission Viejo, and Heather Gardens.

Average noise level (dBA)

Aurora Knolls-Hutchinson Heights's 54.6 dBA pop-weighted average is the highest among the peer group. Colorado as a whole averages 51.9 dBA and the U.S. averages 52.0 dBA. Both are lower than Aurora Knolls-Hutchinson Heights because most of either area is rural land away from major roads.

Share of residents above 55 dBA

About 34.8% of Aurora Knolls-Hutchinson Heights 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, 33.1% of Aurora Knolls-Hutchinson Heights's footprint sits above 55 dBA, against a Colorado average of 25.4% and a national average of 28.1%.

What This Means if You're Moving to Aurora Knolls-Hutchinson Heights

  • 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 16% of Aurora Knolls-Hutchinson Heights is under tree cover (about average for neighborhoods), and the dominant land cover is medium-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.
  • Airport noise is directional. Denver International's approach paths concentrate aviation noise to the north. Neighborhoods to the south 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.