Japan
1,227 monitoring stations · readings from 7 to 73
Average AQI
Air quality in Japan
Air quality in Japan is currently 28 on the AQI scale, which falls in the Good band. That number is the average across every monitoring station reporting in Japan right now.
We aggregate 1,227 stations across Japan. Individual stations range from 7 at the cleanest to 73 at the worst, so conditions vary across Japan — the local figure matters more than the average.
Japan breaks down into 47 regions you can open individually. Of those listed below, Okinawa is reading highest at 51 and Fukushima lowest at 20.
Readings refresh hourly from the official monitoring networks we track. Conditions can still change quickly, so check back before planning time outdoors.
What to do at good levels
Outdoor activity
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside.
Sensitive groups
Children, older adults and people with asthma or heart conditions can go about their day as normal.
Indoor air
Open the windows. Outdoor air is currently cleaner than typical indoor air, so ventilating helps.
Regions in Japan
47 regions
51Okinawa
Moderate
- Stations
- 11
- Range
- 29–65
39Tottori
Good
- Stations
- 4
- Range
- 21–56
37Kagoshima
Good
- Stations
- 10
- Range
- 29–50
37Wakayama
Good
- Stations
- 20
- Range
- 29–52
34Fukuoka
Good
- Stations
- 44
- Range
- 21–65
34Gunma
Good
- Stations
- 10
- Range
- 21–54
34Miyazaki
Good
- Stations
- 16
- Range
- 21–56
33Kumamoto
Good
- Stations
- 37
- Range
- 21–60
32Akita
Good
- Stations
- 7
- Range
- 21–60
32Osaka
Good
- Stations
- 52
- Range
- 17–58
31Nara
Good
- Stations
- 14
- Range
- 21–52
31Oita
Good
- Stations
- 17
- Range
- 21–58
30Aomori
Good
- Stations
- 5
- Range
- 21–52
30Hiroshima
Good
- Stations
- 27
- Range
- 17–65
30Hokkaido
Good
- Stations
- 26
- Range
- 17–65
29Chiba
Good
- Stations
- 70
- Range
- 21–50
Kochi
Good
- Stations
- 5
- Range
- 21–52
29Kyoto
Good
- Stations
- 29
- Range
- 21–42
29Yamagata
Good
- Stations
- 15
- Range
- 17–54
28Kanagawa
Good
- Stations
- 77
- Range
- 21–54
28Mie
Good
- Stations
- 22
- Range
- 21–54
28Shimane
Good
- Stations
- 11
- Range
- 21–33
28Tochigi
Good
- Stations
- 37
- Range
- 21–54
28Tokushima
Good
- Stations
- 9
- Range
- 21–38
28Yamanashi
Good
- Stations
- 6
- Range
- 21–33
27Aichi
Good
- Stations
- 74
- Range
- 21–56
27Ibaraki
Good
- Stations
- 22
- Range
- 7–46
27Kagawa
Good
- Stations
- 18
- Range
- 12–38
27Okayama
Good
- Stations
- 23
- Range
- 17–38
27Yamaguchi
Good
- Stations
- 18
- Range
- 21–56
26Hyogo
Good
- Stations
- 69
- Range
- 12–73
26Miyagi
Good
- Stations
- 29
- Range
- 21–52
26Saga
Good
- Stations
- 13
- Range
- 21–60
26Tokyo
Good
- Stations
- 87
- Range
- 14–46
25Ishikawa
Good
- Stations
- 17
- Range
- 17–54
25Iwate
Good
- Stations
- 11
- Range
- 21–25
25Nagasaki
Good
- Stations
- 23
- Range
- 21–33
Niigata
Good
- Stations
- 18
- Range
- 12–54
25Saitama
Good
- Stations
- 82
- Range
- 21–58
24Ehime
Good
- Stations
- 17
- Range
- 21–42
About Japan
Coordinates
35.321, 136.677
Centroid of monitored stations
Stations
1,227
Reporting in this area
Spread
7 – 73
Cleanest to worst station reading
Other countries nearby
Japan air quality, answered
Japan is currently reading an AQI of 28, which is Good. It is the average across 1,227 reporting stations.
No restrictions. This is a good day for exercise, commuting on foot or bike, and time outside. Children, older adults and people with asthma or heart conditions can go about their day as normal.
28 sits in the Good band of the air quality index. The index runs from 0 to 500, and the lower the number the cleaner the air.
We currently aggregate 1,227 stations in Japan, reading between 7 and 73.
Of the regions currently listed for Japan, Okinawa is reading highest at 51 (Moderate).
Hourly. We pull from the official monitoring networks that publish for this country, and this page refreshes on the same cadence.
See Japan on the map.
Every station around it, live — or find out what today's reading means for you personally.