Japan · Kumamoto · 2 cities
Air quality in Kumamoto today The AQI right now, city by city
Right now, Honmachi has the cleanest air of the 2 cities we track in Kumamoto (AQI 32, Good), and Kumamoto the worst (AQI 58, Moderate). Kumamoto has the most tree cover, at 30.0% — #38 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.
- cities tracked
- 2
- average tree cover
- 19.1%
- Japan: 16.4%
- worst air now: Kumamoto
- 58
- cleanest air now: Honmachi
- 32
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Kumamoto
Air quality today across Kumamoto, city by city
| Kumamoto | 58Moderate | 30.0% | — | #38 of 207 |
|---|---|---|---|---|
| Honmachi | 32Good | 8.2% | 60.5K | #140 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 Kumamoto lost?
Since 2001, Kumamoto has lost about 34,500 hectares of forest (about 48,000 football pitches): 7.1% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 2,560 hectares (7.4%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 34,500 haabout 48,000 football pitches
- Share of its forest
- 7.1%of what there was in 2000
- Cleared for good
- 2,560 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 | 71 ha | 722 ha | 793 ha |
| 2002 | 66 ha | 806 ha | 872 ha |
| 2003 | 61 ha | 708 ha | 769 ha |
| 2004 | 101 ha | 1,050 ha | 1,150 ha |
| 2005 | 76 ha | 884 ha | 960 ha |
| 2006 | 101 ha | 1,070 ha | 1,170 ha |
| 2007 | 89 ha | 822 ha | 911 ha |
| 2008 | 71 ha | 874 ha | 945 ha |
| 2009 | 121 ha | 1,140 ha | 1,260 ha |
| 2010 | 94 ha | 871 ha | 965 ha |
| 2011 | 77 ha | 1,100 ha | 1,180 ha |
| 2012 | 57 ha | 784 ha | 840 ha |
| 2013 | 53 ha | 960 ha | 1,010 ha |
| 2014 | 85 ha | 859 ha | 944 ha |
| 2015 | 87 ha | 1,200 ha | 1,290 ha |
| 2016 | 216 ha | 1,660 ha | 1,880 ha |
| 2017 | 115 ha | 1,640 ha | 1,750 ha |
| 2018 | 165 ha | 1,690 ha | 1,860 ha |
| 2019 | 126 ha | 1,630 ha | 1,760 ha |
| 2020 | 129 ha | 1,730 ha | 1,860 ha |
| 2021 | 106 ha | 1,890 ha | 2,000 ha |
| 2022 | 130 ha | 2,080 ha | 2,210 ha |
| 2023 | 139 ha | 1,920 ha | 2,060 ha |
| 2024 | 109 ha | 1,890 ha | 2,000 ha |
| 2025 | 119 ha | 1,950 ha | 2,070 ha |
Forest loss has stayed about the same: about 2,070 hectares a year in 2021–2025, against 1,820 hectares a year in 2016–2020. The worst year was 2022, when about 2,210 hectares of forest were lost.
What is causing deforestation in Kumamoto?
- Loggingcan grow back91% · 31,500 ha
- Towns and roadscleared for good4.7% · 1,610 ha
- Mining and energycleared for good1.6% · 564 ha
Also: farms, pasture and plantations, storms, floods and other natural causes, 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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