City report · Shizuoka, Japan
Fuji Air quality today
Air quality in Fuji currently reads AQI 28 (Good): Air quality is satisfactory for everyone.
AQI 28
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 5.0
- tree cover
- 6.1%
- trees in this area
- 19.1K
- more trees needed
- 75.0K
Measured across a 2 km radius around 4 Chome-17 Yoshiwara, Fuji, Shizuoka 417-0051, Japan (12.57 km²), from a satellite image of Aug 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Fuji · AQI 28 (Good)
Fuji's tree count comes to 19,145 trees across 12.56 km² of land, 24 points below the 30% tree-cover level considered healthy for this area, so roughly 75,009 more trees would close the gap.
Air quality detail
Air quality in Fuji today: AQI 28, Good
Main pollutant: PM2.5 · Observed Nov 12, 00:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Miho, Shizuoka, Japan (清水三保第一小学校静岡市清水区), 23.5 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.0
PM10
6.5
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム), Shizuoka Prefecture Atmospheric Monitoring System (静岡県大気常時監視システム)
- 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 Fuji's daily AQI at 46 on average, from 20 on Nov 5 to an hourly peak of 71 on Nov 8.
Where Fuji stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Fuji: Critically low
6.1% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
19,145
Target trees
94,154
More trees needed
75,009
CO₂ if planted / yr
1,650 t
Deforestation · 2001–2025
How much forest has Fuji lost?
Since 2001, the area within 10 km of Fuji has lost about 447 hectares of forest (about 630 football pitches): 4.5% of the forest it had in 2000. Most of it (53%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km north of the city center.
- Forest lost since 2001
- 447 haabout 630 football pitches
- Share of its forest
- 4.5%of what there was in 2000
- Cleared for good
- 236 hadeforestation: turned into farms, mines or towns
The worst year was 2006, when about 35 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 | 11 ha | 4 ha | 15 ha |
| 2002 | 12 ha | 5 ha | 17 ha |
| 2003 | 8 ha | 5 ha | 13 ha |
| 2004 | 18 ha | 8 ha | 26 ha |
| 2005 | 14 ha | 4 ha | 18 ha |
| 2006 | 8 ha | 28 ha | 35 ha |
| 2007 | 14 ha | 15 ha | 28 ha |
| 2008 | 20 ha | 9 ha | 29 ha |
| 2009 | 22 ha | 6 ha | 28 ha |
| 2010 | 11 ha | 9 ha | 20 ha |
| 2011 | 9 ha | 4 ha | 13 ha |
| 2012 | 9 ha | 4 ha | 12 ha |
| 2013 | 4 ha | 3 ha | 6 ha |
| 2014 | 6 ha | 7 ha | 13 ha |
| 2015 | 6 ha | 9 ha | 15 ha |
| 2016 | 10 ha | 17 ha | 26 ha |
| 2017 | 7 ha | 3 ha | 10 ha |
| 2018 | 4 ha | 7 ha | 11 ha |
| 2019 | 3 ha | 3 ha | 7 ha |
| 2020 | 8 ha | 5 ha | 13 ha |
| 2021 | 4 ha | 8 ha | 13 ha |
| 2022 | 9 ha | 11 ha | 20 ha |
| 2023 | 8 ha | 16 ha | 24 ha |
| 2024 | 9 ha | 11 ha | 20 ha |
| 2025 | 2 ha | 14 ha | 16 ha |
What is causing deforestation around Fuji?
- Loggingcan grow back45% · 200 ha
- Towns and roadscleared for good42% · 186 ha
- Farms, pasture and plantationscleared for good10% · 45 ha
Also: mining and energy, 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.
Forest gained and lost, 2000–2020
- Forest in 2000
- 12,300 ha
- Forest in 2020
- 12,200 ha
- Overall change
- −180 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Fuji stayed about the same size, at about 12,200 hectares: new forest grew on about 125 hectares, and about 305 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 Fuji
What is the air quality (AQI) in Fuji right now?
The latest reading for Fuji shows an AQI of 28 (Good), measured Nov 12, 00:00 local time by the Miho, Shizuoka, Japan (清水三保第一小学校静岡市清水区) ground monitoring station, 23.5 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Fuji today?
At AQI 28 (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 Fuji been like this week?
Over the last 7 days, the CAMS air-quality model put Fuji's daily AQI at 46 on average, from 20 on Nov 5 to an hourly peak of 71 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Fuji lost since 2001?
Since 2001, the area within 10 km of Fuji has lost about 447 hectares of forest (about 630 football pitches): 4.5% of the forest it had in 2000. Most of it (53%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Fuji stayed about the same size, at about 12,200 hectares: new forest grew on about 125 hectares, and about 305 hectares were lost.
What is the tree count in Fuji?
Fuji has an estimated 19,145 trees across the 12.56 km² of land measured — 6.1% tree cover, 24 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Fuji need?
Fuji needs roughly 75,009 more trees to close a 24-point shortfall against its 30% tree-cover target — about 1,650 t of extra CO₂ absorbed per year once grown.
How are Fuji's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near 4 Chome-17 Yoshiwara, 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 4 Chome-17 Yoshiwara; the tree count is an estimate derived from that cover.
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