City report · Shimane, Japan
Izumo Air quality today
Air quality in Izumo currently reads AQI 39 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 39
Good
- PM2.5, fine particles (µg/m³)
- 8.4
- tree cover
- 11.5%
- trees in this area
- 36.0K
- more trees needed
- 57.9K
Measured across a 2 km radius around 7 Chome Otsushinzakicho, Izumo, Shimane 693-0012, Japan (12.57 km²), from a satellite image of Sep 12, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Izumo · AQI 39 (Good)
Izumo's tree count comes to 35,984 trees across 12.52 km² of land, 19 points below the 30% tree-cover level considered healthy for this area, so roughly 57,887 more trees would close the gap.
Air quality detail
Air quality in Izumo today: AQI 39, Good
Main pollutant: PM2.5 · Observed Nov 11, 11:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
8.4
PM10
12.1
NO₂
2.5
O₃
80.0
SO₂
1.9
CO
157.0
- 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 Izumo's daily AQI at 34 on average, from 24 on Nov 9 to an hourly peak of 69 on Nov 6.
Where Izumo stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Izumo: Critically low
11.5% tree cover against a 30% healthy-neighborhood target, across 12.52 km² of land.
Trees in this area
35,984
Target trees
93,871
More trees needed
57,887
CO₂ if planted / yr
1,274 t
Deforestation · 2001–2025
How much forest has Izumo lost?
Since 2001, the area within 10 km of Izumo has lost about 279 hectares of forest (about 390 football pitches): 1.8% of the forest it had in 2000. The biggest cause was logging (45%), after which forest can grow back. About 132 hectares (47%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from July 2017 of a 5 × 5 km area about 6 km southeast of the city center.
- Forest lost since 2001
- 279 haabout 390 football pitches
- Share of its forest
- 1.8%of what there was in 2000
- Cleared for good
- 132 hadeforestation: turned into farms, mines or towns
The worst year was 2004, when about 30 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 | 10 ha | 8 ha | 18 ha |
| 2002 | 3 ha | 5 ha | 8 ha |
| 2003 | 6 ha | 2 ha | 8 ha |
| 2004 | 18 ha | 12 ha | 30 ha |
| 2005 | 7 ha | 4 ha | 11 ha |
| 2006 | 10 ha | 3 ha | 12 ha |
| 2007 | 18 ha | 6 ha | 24 ha |
| 2008 | 3 ha | 2 ha | 4 ha |
| 2009 | 6 ha | 4 ha | 10 ha |
| 2010 | 7 ha | 11 ha | 18 ha |
| 2011 | 1 ha | 9 ha | 10 ha |
| 2012 | 3 ha | 13 ha | 16 ha |
| 2013 | under 1 ha | 15 ha | 15 ha |
| 2014 | under 1 ha | 7 ha | 8 ha |
| 2015 | 5 ha | 4 ha | 9 ha |
| 2016 | 2 ha | 7 ha | 9 ha |
| 2017 | 3 ha | 3 ha | 6 ha |
| 2018 | 7 ha | 9 ha | 15 ha |
| 2019 | 1 ha | 5 ha | 6 ha |
| 2020 | 4 ha | 3 ha | 7 ha |
| 2021 | 4 ha | 7 ha | 11 ha |
| 2022 | 5 ha | 1 ha | 6 ha |
| 2023 | 4 ha | 2 ha | 6 ha |
| 2024 | 3 ha | 3 ha | 6 ha |
| 2025 | 3 ha | 5 ha | 8 ha |
What is causing deforestation around Izumo?
- Loggingcan grow back45% · 127 ha
- Towns and roadscleared for good44% · 122 ha
- Mining and energycleared for good1.8% · 5 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.
Forest gained and lost, 2000–2020
- Forest in 2000
- 15,900 ha
- Forest in 2020
- 15,900 ha
- Overall change
- +18 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Izumo stayed about the same size, at about 15,900 hectares: new forest grew on about 151 hectares, and about 132 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 Izumo
What is the air quality (AQI) in Izumo right now?
The latest reading for Izumo shows an AQI of 39 (Good), observed Nov 11, 11:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Izumo today?
At AQI 39 (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 Izumo been like this week?
Over the last 7 days, the CAMS air-quality model put Izumo's daily AQI at 34 on average, from 24 on Nov 9 to an hourly peak of 69 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 Izumo lost since 2001?
Since 2001, the area within 10 km of Izumo has lost about 279 hectares of forest (about 390 football pitches): 1.8% of the forest it had in 2000. The biggest cause was logging (45%), after which forest can grow back. About 132 hectares (47%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Izumo stayed about the same size, at about 15,900 hectares: new forest grew on about 151 hectares, and about 132 hectares were lost.
What is the tree count in Izumo?
Izumo has an estimated 35,984 trees across the 12.52 km² of land measured — 11.5% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Izumo need?
Izumo needs roughly 57,887 more trees to close a 19-point shortfall against its 30% tree-cover target — about 1,274 t of extra CO₂ absorbed per year once grown.
How are Izumo'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 7 Chome Otsushinzakicho; the tree count is an estimate derived from that cover.
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