SmogRank / Japan / Tokyo

Air quality in Tokyo

Tokyo, Japan. PM2.5 from 67 reference monitors, updated hourly.

6.0 µg/m³
Good

Latest hour (02:00 UTC), 0.4× the WHO 24-hour guideline.

Rank

24 h
–
not enough data
7 days
#1,250
of 2,341 · 6.9 µg/m³
30 days
#1,446
of 2,337 · 5.7 µg/m³
Year
#1,098
of 2,166 · 8.7 µg/m³

Last 4 days, hour by hour

15302026-09-30 23:00 UTC: 8.0 µg/m³2026-10-01 00:00 UTC: 6.0 µg/m³2026-10-01 01:00 UTC: 6.0 µg/m³2026-10-01 02:00 UTC: 6.0 µg/m³Sep 28Sep 29Sep 30

Times in UTC. Dashed line: WHO 24-hour guideline (15 µg/m³).

Every day for a year

SepNovDecJanFebMarAprMayJunJulAugSepMonWedFri2025-09-29: 8.4 µg/m³2025-09-30: 7.0 µg/m³2025-10-01: 7.3 µg/m³2025-10-02: 8.9 µg/m³2025-10-03: 9.5 µg/m³2025-10-04: 10.3 µg/m³2025-10-05: 7.9 µg/m³2025-10-06: 8.0 µg/m³2025-10-07: 8.3 µg/m³2025-10-08: 10.0 µg/m³2025-10-09: 7.9 µg/m³2025-10-10: 8.9 µg/m³2025-10-11: 5.7 µg/m³2025-10-12: 5.9 µg/m³2025-10-13: 9.4 µg/m³2025-10-14: 8.5 µg/m³2025-10-15: 5.9 µg/m³2025-10-16: 11.0 µg/m³2025-10-17: 6.4 µg/m³2025-10-18: 8.8 µg/m³2025-10-19: 6.6 µg/m³2025-10-20: 6.5 µg/m³2025-10-21: 3.9 µg/m³2025-10-22: 5.8 µg/m³2025-10-23: 6.4 µg/m³2025-10-24: 6.9 µg/m³2025-10-25: 6.0 µg/m³2025-10-26: 3.7 µg/m³2025-10-27: 5.5 µg/m³2025-10-28: 4.6 µg/m³2025-10-29: 7.5 µg/m³2025-10-30: 14.0 µg/m³2025-10-31: 16.0 µg/m³2025-11-01: 4.5 µg/m³2025-11-02: 6.5 µg/m³2025-11-03: 5.7 µg/m³2025-11-04: 4.2 µg/m³2025-11-05: 11.1 µg/m³2025-11-06: 7.3 µg/m³2025-11-07: 8.1 µg/m³2025-11-08: 9.8 µg/m³2025-11-09: 11.7 µg/m³2025-11-10: 8.1 µg/m³2025-11-11: 4.2 µg/m³2025-11-12: 7.8 µg/m³2025-11-13: 17.0 µg/m³2025-11-14: 14.1 µg/m³2025-11-15: 9.6 µg/m³2025-11-16: 10.0 µg/m³2025-11-17: 12.5 µg/m³2025-11-18: 3.4 µg/m³2025-11-19: 6.0 µg/m³2025-11-20: 11.1 µg/m³2025-11-21: 19.7 µg/m³2025-11-22: 8.5 µg/m³2025-11-23: 10.4 µg/m³2025-11-24: 13.0 µg/m³2025-11-25: 16.7 µg/m³2025-11-26: 8.1 µg/m³2025-11-27: 12.1 µg/m³2025-11-28: 11.1 µg/m³2025-11-29: 5.5 µg/m³2025-11-30: 10.9 µg/m³2025-12-01: 15.3 µg/m³2025-12-02: 19.5 µg/m³2025-12-03: 20.9 µg/m³2025-12-04: 3.2 µg/m³2025-12-05: 6.9 µg/m³2025-12-06: 9.6 µg/m³2025-12-07: 14.9 µg/m³2025-12-08: 13.6 µg/m³2025-12-09: 4.1 µg/m³2025-12-10: 10.0 µg/m³2025-12-11: 9.9 µg/m³2025-12-12: 2.9 µg/m³2025-12-13: 4.5 µg/m³2025-12-14: 10.5 µg/m³2025-12-15: 3.9 µg/m³2025-12-16: 7.0 µg/m³2025-12-17: 11.9 µg/m³2025-12-18: 3.7 µg/m³2025-12-19: 11.3 µg/m³2025-12-20: 21.6 µg/m³2025-12-21: 24.7 µg/m³2025-12-22: 2.7 µg/m³2025-12-23: 8.4 µg/m³2025-12-24: 12.0 µg/m³2025-12-25: 14.2 µg/m³2025-12-26: 3.8 µg/m³2025-12-27: 7.3 µg/m³2025-12-28: 10.2 µg/m³2025-12-29: 13.2 µg/m³2025-12-30: 16.6 µg/m³2025-12-31: 8.7 µg/m³2026-01-01: 4.2 µg/m³2026-01-02: 3.6 µg/m³2026-01-03: 4.0 µg/m³2026-01-04: 5.1 µg/m³2026-01-05: 10.9 µg/m³2026-01-06: 2.6 µg/m³2026-01-07: 8.7 µg/m³2026-01-08: 7.5 µg/m³2026-01-09: 5.2 µg/m³2026-01-10: 8.2 µg/m³2026-01-11: 6.6 µg/m³2026-01-12: 4.5 µg/m³2026-01-13: 8.8 µg/m³2026-01-14: 3.6 µg/m³2026-01-15: 10.5 µg/m³2026-01-16: 13.7 µg/m³2026-01-17: 15.5 µg/m³2026-01-18: 6.0 µg/m³2026-01-19: no data2026-01-20: 10.5 µg/m³2026-01-21: 4.1 µg/m³2026-01-22: 3.6 µg/m³2026-01-23: 7.2 µg/m³2026-01-24: no data2026-01-25: no data2026-01-26: 4.0 µg/m³2026-01-27: 11.6 µg/m³2026-01-28: 4.1 µg/m³2026-01-29: no data2026-01-30: 4.6 µg/m³2026-01-31: 4.2 µg/m³2026-02-01: 8.5 µg/m³2026-02-02: 7.8 µg/m³2026-02-03: 5.0 µg/m³2026-02-04: 11.3 µg/m³2026-02-05: 22.4 µg/m³2026-02-06: 17.5 µg/m³2026-02-07: 4.6 µg/m³2026-02-08: 4.4 µg/m³2026-02-09: 3.9 µg/m³2026-02-10: 9.6 µg/m³2026-02-11: 14.2 µg/m³2026-02-12: 10.5 µg/m³2026-02-13: 14.1 µg/m³2026-02-14: 20.6 µg/m³2026-02-15: 22.4 µg/m³2026-02-16: 13.7 µg/m³2026-02-17: 6.2 µg/m³2026-02-18: 13.4 µg/m³2026-02-19: 4.4 µg/m³2026-02-20: 9.3 µg/m³2026-02-21: 13.5 µg/m³2026-02-22: 15.3 µg/m³2026-02-23: 12.6 µg/m³2026-02-24: 13.2 µg/m³2026-02-25: 9.1 µg/m³2026-02-26: 3.5 µg/m³2026-02-27: 5.5 µg/m³2026-02-28: 7.2 µg/m³2026-03-01: 6.6 µg/m³2026-03-02: 10.4 µg/m³2026-03-03: 7.9 µg/m³2026-03-04: 1.8 µg/m³2026-03-05: 3.5 µg/m³2026-03-06: 8.8 µg/m³2026-03-07: 8.2 µg/m³2026-03-08: 5.8 µg/m³2026-03-09: 8.1 µg/m³2026-03-10: 6.1 µg/m³2026-03-11: 7.6 µg/m³2026-03-12: 6.0 µg/m³2026-03-13: 8.1 µg/m³2026-03-14: 4.1 µg/m³2026-03-15: 4.5 µg/m³2026-03-16: 6.3 µg/m³2026-03-17: 11.0 µg/m³2026-03-18: 11.0 µg/m³2026-03-19: 9.7 µg/m³2026-03-20: 10.4 µg/m³2026-03-21: 17.3 µg/m³2026-03-22: 17.3 µg/m³2026-03-23: 15.4 µg/m³2026-03-24: 15.8 µg/m³2026-03-25: 17.0 µg/m³2026-03-26: 7.7 µg/m³2026-03-27: 8.4 µg/m³2026-03-28: 11.1 µg/m³2026-03-29: 18.5 µg/m³2026-03-30: 17.5 µg/m³2026-03-31: 6.3 µg/m³2026-04-01: 6.5 µg/m³2026-04-02: 2.6 µg/m³2026-04-03: 7.9 µg/m³2026-04-04: 11.6 µg/m³2026-04-05: 9.6 µg/m³2026-04-06: 9.4 µg/m³2026-04-07: 11.9 µg/m³2026-04-08: 8.4 µg/m³2026-04-09: 8.7 µg/m³2026-04-10: 7.9 µg/m³2026-04-11: 16.5 µg/m³2026-04-12: 11.0 µg/m³2026-04-13: 12.4 µg/m³2026-04-14: 14.5 µg/m³2026-04-15: 11.6 µg/m³2026-04-16: 7.2 µg/m³2026-04-17: 8.0 µg/m³2026-04-18: 10.9 µg/m³2026-04-19: 12.8 µg/m³2026-04-20: 11.0 µg/m³2026-04-21: 7.9 µg/m³2026-04-22: 13.0 µg/m³2026-04-23: 9.9 µg/m³2026-04-24: 8.9 µg/m³2026-04-25: 8.3 µg/m³2026-04-26: 9.8 µg/m³2026-04-27: 6.4 µg/m³2026-04-28: 8.3 µg/m³2026-04-29: 12.1 µg/m³2026-04-30: 7.1 µg/m³2026-05-01: 5.3 µg/m³2026-05-02: 9.0 µg/m³2026-05-03: 14.7 µg/m³2026-05-04: 7.8 µg/m³2026-05-05: 7.2 µg/m³2026-05-06: 8.1 µg/m³2026-05-07: 6.6 µg/m³2026-05-08: 7.6 µg/m³2026-05-09: 5.3 µg/m³2026-05-10: 7.7 µg/m³2026-05-11: 6.6 µg/m³2026-05-12: 7.6 µg/m³2026-05-13: 9.2 µg/m³2026-05-14: 12.4 µg/m³2026-05-15: 14.6 µg/m³2026-05-16: 16.6 µg/m³2026-05-17: 15.3 µg/m³2026-05-18: 16.7 µg/m³2026-05-19: 12.4 µg/m³2026-05-20: 9.5 µg/m³2026-05-21: 4.0 µg/m³2026-05-22: 4.6 µg/m³2026-05-23: 8.2 µg/m³2026-05-24: 7.6 µg/m³2026-05-25: 6.7 µg/m³2026-05-26: 5.7 µg/m³2026-05-27: 6.6 µg/m³2026-05-28: 4.0 µg/m³2026-05-29: 6.7 µg/m³2026-05-30: 8.1 µg/m³2026-05-31: 12.2 µg/m³2026-06-01: 15.0 µg/m³2026-06-02: 6.5 µg/m³2026-06-03: 2.3 µg/m³2026-06-04: 3.5 µg/m³2026-06-05: 5.9 µg/m³2026-06-06: 4.6 µg/m³2026-06-07: 10.4 µg/m³2026-06-08: 3.9 µg/m³2026-06-09: 4.5 µg/m³2026-06-10: 5.8 µg/m³2026-06-11: 6.5 µg/m³2026-06-12: 8.7 µg/m³2026-06-13: 16.5 µg/m³2026-06-14: 13.2 µg/m³2026-06-15: 4.6 µg/m³2026-06-16: 7.9 µg/m³2026-06-17: 7.1 µg/m³2026-06-18: 3.6 µg/m³2026-06-19: 9.4 µg/m³2026-06-20: 9.0 µg/m³2026-06-21: 3.9 µg/m³2026-06-22: 5.4 µg/m³2026-06-23: 5.2 µg/m³2026-06-24: 8.5 µg/m³2026-06-25: 4.8 µg/m³2026-06-26: 5.0 µg/m³2026-06-27: 3.8 µg/m³2026-06-28: 6.7 µg/m³2026-06-29: 7.7 µg/m³2026-06-30: 13.1 µg/m³2026-07-01: 14.8 µg/m³2026-07-02: 5.5 µg/m³2026-07-03: 6.6 µg/m³2026-07-04: 14.8 µg/m³2026-07-05: 7.1 µg/m³2026-07-06: 10.5 µg/m³2026-07-07: 8.6 µg/m³2026-07-08: 7.2 µg/m³2026-07-09: 7.2 µg/m³2026-07-10: 5.4 µg/m³2026-07-11: 6.6 µg/m³2026-07-12: 9.9 µg/m³2026-07-13: 16.2 µg/m³2026-07-14: 15.7 µg/m³2026-07-15: 15.2 µg/m³2026-07-16: 24.7 µg/m³2026-07-17: 15.6 µg/m³2026-07-18: 6.3 µg/m³2026-07-19: 4.2 µg/m³2026-07-20: 9.1 µg/m³2026-07-21: 15.6 µg/m³2026-07-22: 22.9 µg/m³2026-07-23: 20.0 µg/m³2026-07-24: 15.1 µg/m³2026-07-25: 11.6 µg/m³2026-07-26: 7.7 µg/m³2026-07-27: 6.1 µg/m³2026-07-28: 10.0 µg/m³2026-07-29: 8.4 µg/m³2026-07-30: 13.5 µg/m³2026-07-31: 15.9 µg/m³2026-08-01: 19.5 µg/m³2026-08-02: 13.5 µg/m³2026-08-03: 6.0 µg/m³2026-08-04: 8.4 µg/m³2026-08-05: 8.2 µg/m³2026-08-06: 6.0 µg/m³2026-08-07: 7.7 µg/m³2026-08-08: 6.7 µg/m³2026-08-09: 9.3 µg/m³2026-08-10: 7.4 µg/m³2026-08-11: 8.0 µg/m³2026-08-12: 6.1 µg/m³2026-08-13: 4.3 µg/m³2026-08-14: 3.0 µg/m³2026-08-15: 5.8 µg/m³2026-08-16: 5.1 µg/m³2026-08-17: 6.1 µg/m³2026-08-18: 7.0 µg/m³2026-08-19: 8.2 µg/m³2026-08-20: 7.1 µg/m³2026-08-21: 7.0 µg/m³2026-08-22: 9.1 µg/m³2026-08-23: 11.9 µg/m³2026-08-24: 15.4 µg/m³2026-08-25: 11.4 µg/m³2026-08-26: 13.5 µg/m³2026-08-27: 6.9 µg/m³2026-08-28: 7.0 µg/m³2026-08-29: 5.2 µg/m³2026-08-30: 5.8 µg/m³2026-08-31: 5.7 µg/m³2026-09-01: 6.5 µg/m³2026-09-02: 9.6 µg/m³2026-09-03: 5.9 µg/m³2026-09-04: 6.9 µg/m³2026-09-05: 5.0 µg/m³2026-09-06: 4.5 µg/m³2026-09-07: 2.5 µg/m³2026-09-08: 7.0 µg/m³2026-09-09: 5.9 µg/m³2026-09-10: 4.7 µg/m³2026-09-11: 4.3 µg/m³2026-09-12: 3.5 µg/m³2026-09-13: 9.9 µg/m³2026-09-14: 5.0 µg/m³2026-09-15: 5.1 µg/m³2026-09-16: 2.8 µg/m³2026-09-17: 5.1 µg/m³2026-09-18: 5.9 µg/m³2026-09-19: 4.1 µg/m³2026-09-20: 4.2 µg/m³2026-09-21: 1.1 µg/m³2026-09-22: 4.6 µg/m³2026-09-23: 7.3 µg/m³2026-09-24: 7.9 µg/m³2026-09-25: 8.5 µg/m³2026-09-26: 4.9 µg/m³2026-09-27: 6.0 µg/m³2026-09-28: 10.6 µg/m³2026-09-29: 4.9 µg/m³2026-09-30: 5.4 µg/m³
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

40 of 361 measured days were over the WHO 24-hour guideline.

Daily world rank

#1#2202OctNovDecJanFebMarAprMayJunJulAugSep

Rank on each day's board (1 = most polluted city that day).

2026 against 2025, month by month

15Jan 2025: 8.8 µg/m³Jan 2026: 6.8 µg/m³JanFeb 2025: 7.8 µg/m³Feb 2026: 10.8 µg/m³FebMar 2025: 11.8 µg/m³Mar 2026: 9.6 µg/m³MarApr 2025: 10.5 µg/m³Apr 2026: 9.7 µg/m³AprMay 2025: 8.9 µg/m³May 2026: 8.9 µg/m³MayJun 2025: 10.2 µg/m³Jun 2026: 7.1 µg/m³JunJul 2025: 11.8 µg/m³Jul 2026: 11.5 µg/m³JulAug 2025: 13.6 µg/m³Aug 2026: 8.1 µg/m³AugSep 2025: 8.8 µg/m³Sep 2026: 5.7 µg/m³SepOct 2025: 7.8 µg/m³OctNov 2025: 9.6 µg/m³NovDec 2025: 10.5 µg/m³Dec

Faded bars: 2025. A month shows once it has 10 measured days.

This week against past years

This weekThis week: 6.9 µg/m³6.920252025: 8.5 µg/m³8.5

Mean PM2.5 for 24 Sept to 30 Sept in each year. Dashed line: WHO 24-hour guideline.

Monitors

StationOperatorType
三鷹市下連雀7丁目15番4号政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
世田谷区成城9-25-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
世田谷区粕谷2-19政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
中央区新川一丁目3番1号政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
中央区晴海三丁目6番1号政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
中野区中央2-18-21政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
中野区若宮三丁目53番政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
北区王子5丁目29番政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
千代田区日比谷公園政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
千代田区神田司町2丁目2番地政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
台東区三ノ輪2-5地先政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
和光市諏訪3-20政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
品川区八潮5-11-17政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
品川区西五反田7-25-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
品川区豊町2-1-20政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
墨田区東向島1-34政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
大田区中馬込2-17先政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
大田区千鳥3丁目3-31先政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
大田区南千束1-33-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
小平市小川町2-1325政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
川崎市中原区小杉町3-245政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
川崎市中原区木月住吉町33-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
川崎市幸区戸手本町1-11-3政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
川崎市高津区溝口1-6-10政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
川崎市高津区溝口5-15-7政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
文京区大塚3-5-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
文京区本駒込四丁目35番15号政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
新宿区下落合二丁目2番地先政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
新宿区内藤町11政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
杉並区久我山5-36-17政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
東久留米市中央町6-9-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
板橋区大和町14-12政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
板橋区氷川町13-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
武蔵野市関前5-21政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
武蔵野市関前3-2-20政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
江戸川区鹿骨1-15-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
江東区亀戸7-42政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
江東区大島3-1-3政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
江東区辰巳一丁目9番地先政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
清瀬市上清戸2-6-41政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
渋谷区笹塚1-64-19政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
港区台場1-3-1政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
港区高輪2-20政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
港区高輪一丁目6番政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
狛江市中和泉3-4-10政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
目黒区柿の木坂1-1-4政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
目黒区碑文谷4-19-25政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
目黒区青葉台3-6政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
練馬区北町1-14-11政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
練馬区石神井町5-24地先政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
練馬区練馬2-27-28政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
荒川区南千住1-4-11政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
葛飾区亀有二丁目75番1号政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
葛飾区鎌倉2丁目21番4号政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
西東京市下保谷一丁目4番政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
西東京市南町5-6-13政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
西東京市柳沢2-18先政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
調布市深大寺南町4-16-23政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
豊島区西巣鴨2-39-5政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
足立区中央本町1-17政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
足立区綾瀬6-23政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
足立区西新井6-21-3政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
新宿区内藤町11政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
大田区東糀谷1-21-15政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
小金井市東町一丁目7番19号政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
新座市本多1-4政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
Kuramae, TokyoCC BY 4.0AirGradientLow-cost
渋谷区本町6-6-2政府標準利用規約(第2.0版) (Government Standard Terms of Use v2.0)Ministry of the Environment Air Pollutant Wide Area Monitoring SystemReference
Kamiyacho CC BY 4.0AirGradientLow-cost

The city's value is the median of its reference monitors each hour; low-cost sensors are listed but not counted when reference monitors exist. Data via OpenAQ; licences as listed. How we rank. Embed this on your site.

Other cities in Japan

30-day averages, µg/m³. All of Japan →

Updated 2026-10-01 04:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.