City report · Japan
Tokushima Air quality today
Air quality in Tokushima currently reads AQI 25 (Good): Air quality is satisfactory for everyone.
AQI 25
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 4.5
- tree cover
- 3.5%
- trees in this area
- 9.7K
- more trees needed
- 73.6K
Measured across a 2 km radius around 1-chome-4 Shinminami Fukushima, Tokushima, 770-0867, Japan (12.57 km²), from a satellite image of Aug 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Tokushima · AQI 25 (Good)
Tokushima's tree count comes to 9,720 trees across 11.11 km² of land, 27 points below the 30% tree-cover level considered healthy for this area, so roughly 73,595 more trees would close the gap.
Air quality detail
Air quality in Tokushima today: AQI 25, Good
Main pollutant: PM2.5 · Observed Nov 12, 02:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · 阿南市那賀川町黒地７０３－３, 13.9 km away · median of 16 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
4.5
PM10
—
NO₂
4.7
O₃
—
SO₂
0.0
CO
343.7
Data: OpenAQ · Ministry of the Environment Air Pollutant Wide Area Monitoring System
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Tokushima's daily AQI at 33 on average, from 21 on Nov 10 to an hourly peak of 66 on Nov 6.
Where Tokushima stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Tokushima: Critically low
3.5% tree cover against a 30% healthy-neighborhood target, across 11.11 km² of land.
Trees in this area
9,720
Target trees
83,315
More trees needed
73,595
CO₂ if planted / yr
1,619 t
Deforestation · 2001–2025
How much forest has Tokushima lost?
Since 2001, the area within 10 km of Tokushima has lost about 43 hectares of forest (about 60 football pitches): under 1% of the forest it had in 2000. Most of it (78%) was deforestation, forest cleared for good, mainly for towns and roads.
2018: satellite photo from August 2018 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 43 haabout 60 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 33 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 5 hectares of forest were lost.
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 4 ha | 1 ha | 5 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | 2 ha | under 1 ha | 2 ha |
| 2004 | 2 ha | under 1 ha | 3 ha |
| 2005 | 3 ha | 2 ha | 5 ha |
| 2006 | under 1 ha | 1 ha | 2 ha |
| 2007 | 2 ha | under 1 ha | 3 ha |
| 2008 | 3 ha | under 1 ha | 4 ha |
| 2009 | 1 ha | under 1 ha | 1 ha |
| 2010 | 3 ha | under 1 ha | 3 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | 3 ha | under 1 ha | 4 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | 1 ha | under 1 ha | 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | 1 ha | under 1 ha | 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | 1 ha | under 1 ha | 1 ha |
| 2023 | 1 ha | under 1 ha | 1 ha |
| 2024 | 1 ha | under 1 ha | 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Tokushima?
- Towns and roadscleared for good76% · 32 ha
- Loggingcan grow back3.5% · 2 ha
- Mining and energycleared for good1.2% · under 1 ha
Also: unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
Forest gained and lost, 2000–2020
- Forest in 2000
- 4,910 ha
- Forest in 2020
- 4,920 ha
- Overall change
- +6 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Tokushima stayed about the same size, at about 4,920 hectares: new forest grew on about 39 hectares, and about 32 hectares were lost.
These 2000 and 2020 maps, from the University of Maryland, count any land with trees taller than 5 m as forest, including plantations and orchards. Forest that was cut or burned and had grown back by 2020 counts in both years, so the loss here is smaller than the yearly figures.
These figures cover everything within 10 km of the city center, a wider area than the report above, because forest is usually lost at a city's edges.
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. Forest gained and lost 2000–2020: Potapov et al. 2022, UMD GLAD Global Land Cover and Land Use Change, CC BY 4.0. Images: contains modified Copernicus Sentinel data. How it's measured
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Frequently asked
Questions about Tokushima
What is the air quality (AQI) in Tokushima right now?
The latest reading for Tokushima shows an AQI of 25 (Good), measured Nov 12, 02:00 local time by 16 ground monitoring stations via OpenAQ (the median of their readings; the nearest is 阿南市那賀川町黒地７０３－３, 13.9 km away). The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Tokushima today?
At AQI 25 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Tokushima been like this week?
Over the last 7 days, the CAMS air-quality model put Tokushima's daily AQI at 33 on average, from 21 on Nov 10 to an hourly peak of 66 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Tokushima lost since 2001?
Since 2001, the area within 10 km of Tokushima has lost about 43 hectares of forest (about 60 football pitches): under 1% of the forest it had in 2000. Most of it (78%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Tokushima stayed about the same size, at about 4,920 hectares: new forest grew on about 39 hectares, and about 32 hectares were lost.
What is the tree count in Tokushima?
Tokushima has an estimated 9,720 trees across the 11.11 km² of land measured — 3.5% tree cover, 27 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Tokushima need?
Tokushima needs roughly 73,595 more trees to close a 27-point shortfall against its 30% tree-cover target — about 1,619 t of extra CO₂ absorbed per year once grown.
How are Tokushima's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near 1-chome-4 Shinminami Fukushima, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search satellite imagery at 10 m detail across a 2 km radius around 1-chome-4 Shinminami Fukushima; the tree count is an estimate derived from that cover.
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