Asia · city reports
Trees & air quality in Japan
How much tree cover Japan's major cities have, what their air quality is right now, and how many more trees each one needs. Every report covers the same 2 km area, so the cities compare like for like.
- Cities tracked
- 5
- National forest cover
- 68.4%vs 30% target
- Worst air right now
- 3 Chome-1 SannomaruAQI 80
5 cities in Japan
Tokyo
2 km around 2 Chome-8 Nishishinjuku
Tree cover
16%
45.1K
trees needed
to reach 30%
Yokohama
2 km around Myokojidai
Tree cover
19%
29.4K
trees needed
to reach 30%
Osaka
2 km around 1 Chome-3 Nakanoshima
Tree cover
3%
71.6K
trees needed
to reach 30%
Nagoya
2 km around 3 Chome-1 Sannomaru
Tree cover
9%
62.4K
trees needed
to reach 30%
Sapporo
2 km around 4 Chome Kita 5 Jonishi
Tree cover
14%
48.4K
trees needed
to reach 30%
Japan as a whole
68.4% of Japan was forested as of 2023, against a 30% benchmark. That already clears the benchmark — the city reports above show where cover is still thin locally. Source: World Bank (FAO).
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