Japan Air Pollution Statistics
Top 10 Best and Worst Air Quality in Japan

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The statistics below corresponds to the real-time readings
last updated on Sat Aug 02 2025 23:46:47 GMT+0000 (Coordinated Universal Time).

Worst Air Quality Stations
Mitsukaido Morishitamachi, Joso, Ibaraki, Japan (常総保健所常総市)
on 2025-08-03 08:00:00
76
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
目黒本町三丁目
on 2025-08-03 08:40:11
76
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Tatemachi, Hachioji, Tokyo, Japan (八王子市館町八王子市)
on 2025-08-03 07:00:00
74
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Asahimachi, Uto, Kumamoto, Japan (宇土運動公園宇土市)
on 2025-08-03 07:00:00
72
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Suginami, Izumi-3
on 2025-08-03 08:44:30
72
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Shimoiino, Futtsu, Chiba, Japan (富津下飯野富津市)
on 2025-08-03 08:00:00
72
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Mikuninocho Gochaku, Himeji, Hyogo Prefecture, Japan (御国野姫路市)
on 2025-08-03 07:00:00
70
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Esebicho, Shijonawate, Osaka Prefecture, Japan (国設四條畷四條畷市)
on 2025-08-03 08:00:00
70
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Osumidai, Isehara, Kanagawa, Japan (伊勢原市谷戸岡伊勢原市)
on 2025-08-03 07:00:00
68
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Omuro, Kashiwa, Chiba, Japan (柏大室柏市)
on 2025-08-03 08:00:00
65
06 PMAugust06 AM12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM

Best Air Quality Stations
Moriai, Fukushima, Fukushima, Japan (森合福島市)
on 2025-08-03 07:00:00
2
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Koihonmachi, Hiroshima Prefecture, Japan (庚午広島市西区)
on 2025-08-03 08:00:00
10
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Hirota, Goshogawara, Aomori, Japan (五所川原第三中学校五所川原市)
on 2025-08-03 07:00:00
10
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Shōnaichō Kakiharu, Yufu-shi, Ōita-ken, Japan (中部保健所由布保健部由布市)
on 2025-08-03 07:00:00
10
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Inokuchi, Hiroshima, Japan (井口小学校広島市西区)
on 2025-08-03 08:00:00
10
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Kabe, Hiroshima, Japan (可部小学校広島市安佐北区)
on 2025-08-03 08:00:00
11
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Enzankamishiogo, Koshu, Yamanashi, Japan (東山梨甲州市)
on 2025-08-03 07:00:00
17
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Yachimata, Yachimata-shi, Chiba-ken, Japan (八街市八街八街市)
on 2025-08-03 08:00:00
17
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
神辺支所
on 2025-08-03 08:00:00
17
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM
Fukuyama, Hiroshima Prefecture, Japan (松永小学校福山市)
on 2025-08-03 08:00:00
18
12 PM06 PMSat 0206 AM12 PM06 PMAug 0306 AM


Statistics for other regions

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Air Quality Rankings

About the Air Quality and Pollution Measurement:

About the Air Quality Levels

AQI Air Pollution Level Health Implications Cautionary Statement (for PM2.5)
0 - 50 Good Air quality is considered satisfactory, and air pollution poses little or no risk None
51 -100 Moderate Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
101-150 Unhealthy for Sensitive Groups Members of sensitive groups may experience health effects. The general public is not likely to be affected. Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion.
151-200 Unhealthy Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion
201-300 Very Unhealthy Health warnings of emergency conditions. The entire population is more likely to be affected. Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion.
300+ Hazardous Health alert: everyone may experience more serious health effects Everyone should avoid all outdoor exertion

To know more about Air Quality and Pollution, check the wikipedia Air Quality topic or the airnow guide to Air Quality and Your Health.

For very useful health advices of Beijing Doctor Richard Saint Cyr MD, check www.myhealthbeijing.com blog.


Usage Notice: All the Air Quality data are unvalidated at the time of publication, and due to quality assurance these data may be amended, without notice, at any time. The World Air Quality Index project has exercised all reasonable skill and care in compiling the contents of this information and under no circumstances will the World Air Quality Index project team or its agents be liable in contract, tort or otherwise for any loss, injury or damage arising directly or indirectly from the supply of this data.



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