Japan
1,227 monitoring stations · readings from 6 to 97
Average AQI
Air quality in Japan
Air quality in Japan is currently 37 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 6 at the cleanest to 97 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 93 and Niigata lowest at 21.
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
93Okinawa
Moderate
- Stations
- 11
- Range
- 86–97
62Akita
Moderate
- Stations
- 7
- Range
- 50–71
59Toyama
Moderate
- Stations
- 14
- Range
- 21–71
58Oita
Moderate
- Stations
- 17
- Range
- 21–82
57Okayama
Moderate
- Stations
- 23
- Range
- 29–88
56Ehime
Moderate
- Stations
- 17
- Range
- 29–82
54Kanagawa
Moderate
- Stations
- 77
- Range
- 33–69
51Mie
Moderate
- Stations
- 22
- Range
- 21–75
49Hiroshima
Good
- Stations
- 27
- Range
- 33–86
49Kagawa
Good
- Stations
- 18
- Range
- 25–71
47Tottori
Good
- Stations
- 4
- Range
- 25–73
45Yamaguchi
Good
- Stations
- 18
- Range
- 29–63
43Nara
Good
- Stations
- 14
- Range
- 25–73
42Fukuoka
Good
- Stations
- 44
- Range
- 21–84
39Gunma
Good
- Stations
- 10
- Range
- 21–65
Shiga
Good
- Stations
- 15
- Range
- 25–54
38Tokyo
Good
- Stations
- 87
- Range
- 17–69
37Wakayama
Good
- Stations
- 20
- Range
- 21–73
36Aichi
Good
- Stations
- 74
- Range
- 21–71
Kochi
Good
- Stations
- 5
- Range
- 21–54
36Miyazaki
Good
- Stations
- 16
- Range
- 25–71
35Aomori
Good
- Stations
- 5
- Range
- 25–67
35Kyoto
Good
- Stations
- 29
- Range
- 21–50
35Yamagata
Good
- Stations
- 15
- Range
- 12–69
34Hokkaido
Good
- Stations
- 26
- Range
- 21–67
Gifu
Good
- Stations
- 16
- Range
- 21–67
33Kumamoto
Good
- Stations
- 37
- Range
- 21–80
32Osaka
Good
- Stations
- 52
- Range
- 21–75
32Shimane
Good
- Stations
- 11
- Range
- 21–69
31Nagasaki
Good
- Stations
- 23
- Range
- 12–73
31Saitama
Good
- Stations
- 82
- Range
- 17–58
31Yamanashi
Good
- Stations
- 6
- Range
- 21–50
30Miyagi
Good
- Stations
- 29
- Range
- 21–71
29Hyogo
Good
- Stations
- 69
- Range
- 21–67
29Ishikawa
Good
- Stations
- 17
- Range
- 12–73
29Shizuoka
Good
- Stations
- 37
- Range
- 21–46
28Chiba
Good
- Stations
- 70
- Range
- 10–60
28Fukushima
Good
- Stations
- 10
- Range
- 12–63
28Tochigi
Good
- Stations
- 37
- Range
- 17–56
27Saga
Good
- Stations
- 13
- Range
- 21–75
About Japan
Coordinates
35.321, 136.677
Centroid of monitored stations
Stations
1,227
Reporting in this area
Spread
6 – 97
Cleanest to worst station reading
Other countries nearby
Japan air quality, answered
Japan is currently reading an AQI of 37, 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.
37 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 6 and 97.
Of the regions currently listed for Japan, Okinawa is reading highest at 93 (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.