City report · Fukushima, Japan
Aizu-Wakamatsu Air quality today
Air quality in Aizu-Wakamatsu currently reads AQI 8 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 8
Good
- PM2.5, fine particles (µg/m³)
- 1.8
- tree cover
- 44.9%
- trees in this area
- 141K
- more trees needed
- 0
Measured across a 2 km radius around 6 Minamisengokumachi, Aizuwakamatsu, Fukushima 965-0816, Japan (12.57 km²), from a satellite image of Sep 23, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Aizu-Wakamatsu · AQI 8 (Good)
Aizu-Wakamatsu's tree count comes to 141,058 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Aizu-Wakamatsu today: AQI 8, Good
Main pollutant: PM2.5 · Observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 17 ground-station cities within 225 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 17 station cities within 225 km, e.g. Noda and Inzai
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.8
PM10
11.5
NO₂
1.3
O₃
81.0
SO₂
1.5
CO
131.0
- 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 Aizu-Wakamatsu's daily AQI at 22 on average, from 11 on Nov 7 to an hourly peak of 56 on Nov 6.
Where Aizu-Wakamatsu stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Aizu-Wakamatsu: Healthy tree cover
44.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
141,058
Target trees
141,058
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Aizu-Wakamatsu lost?
Since 2001, the area within 10 km of Aizu-Wakamatsu has lost about 502 hectares of forest (about 700 football pitches): 3.9% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 57 hectares (11%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km northeast of the city center.
- Forest lost since 2001
- 502 haabout 700 football pitches
- Share of its forest
- 3.9%of what there was in 2000
- Cleared for good
- 57 hadeforestation: turned into farms, mines or towns
The worst year was 2009, when about 45 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 | 1 ha | 31 ha | 32 ha |
| 2002 | under 1 ha | 18 ha | 18 ha |
| 2003 | under 1 ha | 9 ha | 9 ha |
| 2004 | under 1 ha | 18 ha | 19 ha |
| 2005 | 2 ha | 14 ha | 16 ha |
| 2006 | under 1 ha | 20 ha | 21 ha |
| 2007 | 3 ha | 14 ha | 17 ha |
| 2008 | under 1 ha | 13 ha | 14 ha |
| 2009 | 5 ha | 40 ha | 45 ha |
| 2010 | 9 ha | 20 ha | 29 ha |
| 2011 | under 1 ha | 14 ha | 14 ha |
| 2012 | 5 ha | 39 ha | 44 ha |
| 2013 | under 1 ha | 19 ha | 19 ha |
| 2014 | under 1 ha | 13 ha | 14 ha |
| 2015 | under 1 ha | 10 ha | 10 ha |
| 2016 | under 1 ha | 28 ha | 28 ha |
| 2017 | under 1 ha | 14 ha | 14 ha |
| 2018 | under 1 ha | 36 ha | 36 ha |
| 2019 | 9 ha | 15 ha | 24 ha |
| 2020 | 16 ha | 18 ha | 35 ha |
| 2021 | 5 ha | 10 ha | 15 ha |
| 2022 | under 1 ha | 10 ha | 10 ha |
| 2023 | under 1 ha | 6 ha | 6 ha |
| 2024 | under 1 ha | 8 ha | 8 ha |
| 2025 | under 1 ha | 7 ha | 7 ha |
What is causing deforestation around Aizu-Wakamatsu?
- Loggingcan grow back86% · 430 ha
- Towns and roadscleared for good5.9% · 30 ha
- Mining and energycleared for good5.1% · 26 ha
Also: farms, pasture and plantations, 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
- 12,200 ha
- Forest in 2020
- 12,100 ha
- Overall change
- −77 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Aizu-Wakamatsu stayed about the same size, at about 12,100 hectares: new forest grew on about 146 hectares, and about 223 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 Aizu-Wakamatsu
What is the air quality (AQI) in Aizu-Wakamatsu right now?
The latest reading for Aizu-Wakamatsu shows an AQI of 8 (Good), observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 17 ground-station cities within 225 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Aizu-Wakamatsu today?
At AQI 8 (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 Aizu-Wakamatsu been like this week?
Over the last 7 days, the CAMS air-quality model put Aizu-Wakamatsu's daily AQI at 22 on average, from 11 on Nov 7 to an hourly peak of 56 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 Aizu-Wakamatsu lost since 2001?
Since 2001, the area within 10 km of Aizu-Wakamatsu has lost about 502 hectares of forest (about 700 football pitches): 3.9% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 57 hectares (11%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Aizu-Wakamatsu stayed about the same size, at about 12,100 hectares: new forest grew on about 146 hectares, and about 223 hectares were lost.
What is the tree count in Aizu-Wakamatsu?
Aizu-Wakamatsu has an estimated 141,058 trees across the 12.57 km² measured — 44.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Aizu-Wakamatsu need?
Aizu-Wakamatsu has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Aizu-Wakamatsu's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 6 Minamisengokumachi; the tree count is an estimate derived from that cover.
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