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Nagoya Noise Regulations and Complaint Guide

Nagoya states that general household sounds have no statutory sound-level standard. Business and construction noise use different controls.

Content reviewed: . Original research snapshot: 2026-10-27. Individual source capture and online-check dates are listed below.

Where to start

  1. For household noise, contact building management or the local consultation desk.
  2. For business or construction noise, use the official city or ward contact for the observed source.
  3. Keep incident times, duration, receiving location and any reference sound levels; retain a request number if one is issued.
Open official Nagoya guidance (opens a new tab)

City environment bureau / ward pollution desk: 052-972-2674 (city air/noise); ward 公害対策課

For immediate danger, use local emergency services. For other incidents, follow the official page’s category and police-response instructions.

Rules by sound source

All times are local to Nagoya (Asia/Tokyo). Allowed work hours, restricted windows and periods when a standard applies have different meanings. Check zoning, holidays, permits and exceptions in the cited source.

reference

Environmental goal — A/B areasEnvironmental goal

騒音に係る環境基準（一般地域）

Provision: 環境省「騒音に係る環境基準について」一般地域の地域類型・昼夜基準（環境目標）

Measurement point: ambient environment

  • 45 dBA · 45 dB or less

    Night

    Standard period: Daily, 22:00–06:00 (ends the following day)

    Area: A/B residential

National environmental standard applied by the city; not a direct prohibition on neighbor noise.

Environmental A/B nighttime goals do not establish a violation by a neighbor. Use building management or the relevant ward pollution consultation desk.

Official sources and review context

Saved-source review and online retrieval are different checks. Some sites block automated retrieval; an unavailable recheck is shown below. Open the official source to confirm the current wording and any later amendments.

Related Practical Guides

Document recurring noise

Keep a factual chronology for management or official follow-up.

Phone measurement limits

Understand reference readings and prescribed official measurements.

Start with one clear record.

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