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Cities with cleanest air in Japan

揖斐郡池田町, Japan has the lowest pm2.5 — annual mean of the 30 cities compared: 3.93 µg/m³ (NIES monthly PM2.5 station means annualized to calendar 2023, 2023-12-31).

JSON Markdown

Japan cities ranked by annual PM2.5 concentration, not by current readings.

Items compared
30
Countries represented
1
Last checked
2026-09-23

Source-backed answers

Compare each answer with its unit and checked date; the complete source ledger is below.

Showing all 30 rows

Original rankCity or placePublished valueSource and scope
1揖斐郡池田町, Japan3.93 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
2Nasushiobara, Japan4.2 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
3Kuroiso, Japan4.38 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
4Ōtawara, Japan4.38 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
5那須郡那須町, Japan4.38 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
6Aioi, Japan4.5 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
7Shisō, Japan4.51 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
8Tatsuno, Japan4.6 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
9Shingū, Japan4.7 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
10Shinshiro, Japan4.8 µg/m³2026-08-26
Source Scope: city · Period: 2023-12-31
11丹波市, Japan4.8 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
12Hokuto, Japan4.81 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
13Kamiiso, Japan4.81 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
14亀田郡七飯町, Japan4.81 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
15Awaji, Japan4.83 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
16Minamiawaji, Japan4.83 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
17Tamba-Sasayama, Japan4.98 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
18赤穂市, Japan5.1 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
19千葉市稲毛区, Japan5.2 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
20Kahoku, Japan5.26 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
21Sandachō, Japan5.27 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
22Ebetsu, Japan5.29 µg/m³2026-09-23
Source Scope: nearest_station · Period: 2023-12-31
23Kawanishi, Japan5.3 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
24三田市, Japan5.3 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
25千葉市緑区, Japan5.3 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
26札幌市厚別区, Japan5.3 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
27Hashimoto, Japan5.4 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
28Kamaishi, Japan5.4 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
29Sumoto, Japan5.4 µg/m³2026-09-03
Source Scope: city · Period: 2024-03-31
30Tsubata, Japan5.4 µg/m³2026-08-26
Source Scope: city · Period: 2023-12-31

What the numbers say

  • 揖斐郡池田町, Japan leads at 3.93 µg/m³.
  • Tsubata, Japan sits at the other end with 5.4 µg/m³.
  • The middle of this ranking is 4.83 µg/m³, across 30 places that publish the metric.
  • The spread between first and last is 1.47 µg/m³.

Quick answer

What does Cities with cleanest air in Japan show?

揖斐郡池田町, Japan has the lowest pm2.5 — annual mean of the 30 cities compared: 3.93 µg/m³ (NIES monthly PM2.5 station means annualized to calendar 2023, 2023-12-31).

How this list is built

Every row is a published pm2.5 — annual mean observation measured in µg/m³, ranked lowest first. The values were observed between 2023 and 2024. A place appears only when it publishes this exact metric, so an absent place means missing data rather than a low value. Only published cities with at least 20,000 residents and city-level observations qualify.

  • Compare the displayed value, unit, source date and geographic grain together.
  • A city label does not change a regional observation into a city measurement.
Rows
30 places
Geographic grain
2 grains: nearest_station, city
Observation period
2023-12-31 to 2024-03-31
Last checked
2026-09-23
With an official source link
30 of 30

Cite this page

Open a format to select or copy this ImmigrationDB compilation citation. The native disclosure and text fallback work without JavaScript.

APA citation
ImmigrationDB. (2026, September 23). Cities with cleanest air in Japan [ImmigrationDB compilation; version 2f33836eec6148753d2ce0d668248618]. ImmigrationDB. https://immigrationdb.com/reports/japan-cities-with-cleanest-air/ Retrieved 2026-09-23. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/
BibTeX citation
@misc{immigrationdb_immigrationdb_cities-with-cleanest-air-in-japan_6b093b006664,
  author = {ImmigrationDB},
  title = {Cities with cleanest air in Japan},
  publisher = {ImmigrationDB},
  year = {2026},
  date = {2026-09-23},
  version = {2f33836eec6148753d2ce0d668248618},
  url = {https://immigrationdb.com/reports/japan-cities-with-cleanest-air/},
  note = {Retrieved 2026-09-23. ImmigrationDB compilation. Compilation license: CC BY 4.0, https://creativecommons.org/licenses/by/4.0/},
}
Markdown citation
[Cities with cleanest air in Japan](https://immigrationdb.com/reports/japan-cities-with-cleanest-air/) — ImmigrationDB; ImmigrationDB; version 2f33836eec6148753d2ce0d668248618; retrieved 2026-09-23; built 2026-09-23.

This citation identifies the ImmigrationDB compilation/page. Underlying source publishers and datasets retain their own terms; inspect the Sources section and cite those records separately. View the underlying source records.

Sources

  1. NIES monthly PM2.5 station means annualized to calendar 2023National Institute for Environmental Studies, Japan (NIES) · Checked 2026-09-23
  2. MOE Japan Air Pollution Monitoring Report FY2023 — 那須塩原市Ministry of the Environment, Government of Japan · Checked 2026-09-03
  3. tenbou.nies.go.jptenbou.nies.go.jp · Checked 2026-08-26