City report · Fukuoka, Japan
Fukuoka Air quality today
Air quality in Fukuoka currently reads AQI 53 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 53
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 10.1
- tree cover
- 5.0%
- trees in this area
- 14.7K
- more trees needed
- 73.5K
Measured across a 2 km radius around 2 Chome-4 Chiyo, Hakata Ward, Fukuoka, 812-0044, Japan (12.57 km²), from a satellite image of Aug 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Fukuoka · AQI 53 (Moderate)
Fukuoka's tree count comes to 14,703 trees across 11.77 km² of land, 25 points below the 30% tree-cover level considered healthy for this area, so roughly 73,513 more trees would close the gap.
Air quality detail
Air quality in Fukuoka today: AQI 53, Moderate
Main pollutant: PM2.5 · Observed Nov 12, 03:00 local time via OpenAQ and World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Ishimaru, Fukuoka, Japan (石丸福岡市西区), 9.7 km away · median of 12 stations
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.1
PM10
9.7
NO₂
14.1
O₃
—
SO₂
0.0
CO
343.7
Data: OpenAQ · Ministry of the Environment Air Pollutant Wide Area Monitoring System, 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), Fukuoka Institute of Health and Environmental Sciences (福岡県保健環境研究所 )
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Fukuoka's daily AQI at 48 on average, from 29 on Nov 10 to an hourly peak of 87 on Nov 11.
Where Fukuoka stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Fukuoka: Critically low
5.0% tree cover against a 30% healthy-neighborhood target, across 11.77 km² of land.
Trees in this area
14,703
Target trees
88,216
More trees needed
73,513
CO₂ if planted / yr
1,617 t
Deforestation · 2001–2025
How much forest has Fukuoka lost?
Since 2001, the area within 10 km of Fukuoka has lost about 139 hectares of forest (about 190 football pitches): 4.7% of the forest it had in 2000. Most of it (74%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 139 haabout 190 football pitches
- Share of its forest
- 4.7%of what there was in 2000
- Cleared for good
- 103 hadeforestation: turned into farms, mines or towns
The worst year was 2011, when about 17 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 | 1 ha | 13 ha |
| 2002 | 2 ha | under 1 ha | 3 ha |
| 2003 | 5 ha | under 1 ha | 5 ha |
| 2004 | 11 ha | under 1 ha | 12 ha |
| 2005 | 4 ha | under 1 ha | 5 ha |
| 2006 | 4 ha | under 1 ha | 4 ha |
| 2007 | 5 ha | under 1 ha | 6 ha |
| 2008 | 5 ha | under 1 ha | 6 ha |
| 2009 | 6 ha | 4 ha | 10 ha |
| 2010 | 5 ha | 2 ha | 6 ha |
| 2011 | 9 ha | 8 ha | 17 ha |
| 2012 | 1 ha | 5 ha | 7 ha |
| 2013 | 2 ha | under 1 ha | 3 ha |
| 2014 | 1 ha | 2 ha | 3 ha |
| 2015 | 1 ha | under 1 ha | 1 ha |
| 2016 | 2 ha | under 1 ha | 2 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | 2 ha | under 1 ha | 3 ha |
| 2019 | 3 ha | under 1 ha | 4 ha |
| 2020 | 5 ha | under 1 ha | 6 ha |
| 2021 | 8 ha | under 1 ha | 9 ha |
| 2022 | 3 ha | under 1 ha | 3 ha |
| 2023 | 4 ha | under 1 ha | 4 ha |
| 2024 | 2 ha | under 1 ha | 2 ha |
| 2025 | under 1 ha | 8 ha | 9 ha |
What is causing deforestation around Fukuoka?
- Towns and roadscleared for good74% · 103 ha
- Loggingcan grow back15% · 21 ha
- Unknown causescause unknown11% · 15 ha
Also: mining and energy.
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
- 3,830 ha
- Forest in 2020
- 3,830 ha
- Overall change
- +1 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Fukuoka stayed about the same size, at about 3,830 hectares: new forest grew on about 94 hectares, and about 93 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
In the same region
Measured cities near Fukuoka
Same 2 km radius, same index — so they compare directly.
- Iizuka25.3 km
Japan
- Tree cover
- 18%
- Air quality
- 33
- Kurume32.8 km
Japan
- Tree cover
- 6%
- Air quality
- 48
- Saga42.2 km
Japan
- Tree cover
- 5%
- Air quality
- 56
- Karatsu45.0 km
Japan
- Tree cover
- 34%
- Air quality
- 33
- Kitakyushu48.9 km
Japan
- Tree cover
- 59%
- Air quality
- 53
- Shimonoseki62.3 km
Japan
- Tree cover
- 22%
- Air quality
- 42
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Frequently asked
Questions about Fukuoka
What is the air quality (AQI) in Fukuoka right now?
The latest reading for Fukuoka shows an AQI of 53 (Moderate), measured Nov 12, 03:00 local time by 12 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Ishimaru, Fukuoka, Japan (石丸福岡市西区), 9.7 km away). The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Fukuoka today?
At AQI 53 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Fukuoka been like this week?
Over the last 7 days, the CAMS air-quality model put Fukuoka's daily AQI at 48 on average, from 29 on Nov 10 to an hourly peak of 87 on Nov 11. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Fukuoka lost since 2001?
Since 2001, the area within 10 km of Fukuoka has lost about 139 hectares of forest (about 190 football pitches): 4.7% of the forest it had in 2000. Most of it (74%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Fukuoka stayed about the same size, at about 3,830 hectares: new forest grew on about 94 hectares, and about 93 hectares were lost.
What is the tree count in Fukuoka?
Fukuoka has an estimated 14,703 trees across the 11.77 km² of land measured — 5.0% tree cover, 25 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Fukuoka need?
Fukuoka needs roughly 73,513 more trees to close a 25-point shortfall against its 30% tree-cover target — about 1,617 t of extra CO₂ absorbed per year once grown.
How are Fukuoka's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near 2 Chome-4 Chiyo, 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 2 Chome-4 Chiyo; the tree count is an estimate derived from that cover.
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