Japan · Tokyo · 6 cities
Air quality in Tokyo today The AQI right now, city by city
Right now, Tokyo has the cleanest air of the 6 cities we track in Tokyo (AQI 26, Good), and Fuchū the worst (AQI 26, Good). Ōme has the most tree cover, at 74.7% — #1 of 207 cities measured in Japan.
Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.
Average right now
AQI 23
Good
- cities tracked
- 6
- average tree cover
- 22.4%
- Japan: 16.4%
- worst air now: Fuchū
- 26
- cleanest air now: Tokyo
- 26
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Tokyo · average AQI 23
Air quality today across Tokyo, city by city
| Tokyo | 26Good | 12.7% | 53.8K | #95 of 207 |
|---|---|---|---|---|
| Machida | 32Good | 10.6% | 60.9K | #115 of 207 |
| Shinagawa | 26Good | 4.0% | 79.9K | #184 of 207 |
| Fuchū | 26Good | 13.8% | 50.9K | #86 of 207 |
| Ōme | 15Good | 74.7% | — | #1 of 207 |
| Akishima | 14Good | 18.4% | 36.4K | #63 of 207 |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in Japan.
Deforestation · 2001–2025
How much forest has Tokyo lost?
Since 2001, Tokyo has lost about 1,770 hectares of forest (about 2,500 football pitches): 2.4% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 350 hectares (20%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 1,770 haabout 2,500 football pitches
- Share of its forest
- 2.4%of what there was in 2000
- Cleared for good
- 350 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 44 ha | 214 ha | 258 ha |
| 2002 | 11 ha | 35 ha | 46 ha |
| 2003 | 10 ha | 35 ha | 45 ha |
| 2004 | 12 ha | 36 ha | 48 ha |
| 2005 | 10 ha | 30 ha | 40 ha |
| 2006 | 17 ha | 39 ha | 55 ha |
| 2007 | 24 ha | 41 ha | 65 ha |
| 2008 | 10 ha | 40 ha | 50 ha |
| 2009 | 11 ha | 41 ha | 52 ha |
| 2010 | 16 ha | 83 ha | 100 ha |
| 2011 | 8 ha | 45 ha | 52 ha |
| 2012 | 19 ha | 118 ha | 136 ha |
| 2013 | 2 ha | 33 ha | 36 ha |
| 2014 | 7 ha | 34 ha | 41 ha |
| 2015 | 9 ha | 36 ha | 45 ha |
| 2016 | 25 ha | 73 ha | 98 ha |
| 2017 | 11 ha | 59 ha | 70 ha |
| 2018 | 13 ha | 87 ha | 100 ha |
| 2019 | 11 ha | 59 ha | 70 ha |
| 2020 | 14 ha | 45 ha | 60 ha |
| 2021 | 17 ha | 44 ha | 61 ha |
| 2022 | 20 ha | 64 ha | 83 ha |
| 2023 | 19 ha | 42 ha | 60 ha |
| 2024 | 8 ha | 36 ha | 44 ha |
| 2025 | 4 ha | 48 ha | 51 ha |
Forest loss has stayed about the same: about 60 hectares a year in 2021–2025, against 79 hectares a year in 2016–2020. The worst year was 2001, when about 258 hectares of forest were lost.
What is causing deforestation in Tokyo?
- Loggingcan grow back68% · 1,200 ha
- Towns and roadscleared for good12% · 217 ha
- Storms, floods and other natural causescan grow back7.5% · 133 ha
Also: mining and energy, farms, pasture and plantations, wildfires, unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Source: Hansen/UMD/Google/USGS/NASA, Global Forest Change (GFC-2025-v1.13); causes: WRI/Google DeepMind drivers of forest loss; both CC BY 4.0, summed by Airleaf for each area. How it's measured
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