City report · Gifu, Japan
Kani Air quality today
Air quality in Kani currently reads AQI 1 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 1
Good
- PM2.5, fine particles (µg/m³)
- 0.3
- tree cover
- 37.0%
- trees in this area
- 116K
- more trees needed
- 0
Measured across a 2 km radius around Shimogiri, Kani, Gifu 509-0245, Japan (12.57 km²), from a satellite image of Aug 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Kani · AQI 1 (Good)
Kani's tree count comes to 116,123 trees across 12.56 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Kani today: AQI 1, Good
Main pollutant: CO · Observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 245 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 7 station cities within 245 km, e.g. Matsumoto and Fuchu
Health signal
Air quality is satisfactory for everyone.
PM2.5
0.3
PM10
1.8
NO₂
0.7
O₃
89.0
SO₂
0.4
CO
127.0
- 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 Kani's daily AQI at 25 on average, from 10 on Nov 11 to an hourly peak of 79 on Nov 6.
Where Kani stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Kani: Healthy tree cover
37.0% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
116,123
Target trees
116,123
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Kani lost?
Since 2001, the area within 10 km of Kani has lost about 463 hectares of forest (about 650 football pitches): 3.2% of the forest it had in 2000. Most of it (89%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from August 2017 of a 5 × 5 km area about 6 km south of the city center.
- Forest lost since 2001
- 463 haabout 650 football pitches
- Share of its forest
- 3.2%of what there was in 2000
- Cleared for good
- 411 hadeforestation: turned into farms, mines or towns
The worst year was 2006, when about 44 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 | 17 ha | 2 ha | 19 ha |
| 2002 | 34 ha | 4 ha | 38 ha |
| 2003 | 15 ha | 1 ha | 16 ha |
| 2004 | 24 ha | 2 ha | 27 ha |
| 2005 | 9 ha | 2 ha | 11 ha |
| 2006 | 38 ha | 6 ha | 44 ha |
| 2007 | 7 ha | 1 ha | 9 ha |
| 2008 | 25 ha | 4 ha | 29 ha |
| 2009 | 12 ha | 2 ha | 13 ha |
| 2010 | 8 ha | 3 ha | 12 ha |
| 2011 | 38 ha | 3 ha | 41 ha |
| 2012 | 11 ha | 5 ha | 16 ha |
| 2013 | 14 ha | 2 ha | 15 ha |
| 2014 | 10 ha | under 1 ha | 10 ha |
| 2015 | 5 ha | under 1 ha | 5 ha |
| 2016 | 14 ha | 2 ha | 16 ha |
| 2017 | 18 ha | 6 ha | 24 ha |
| 2018 | 11 ha | 3 ha | 13 ha |
| 2019 | 26 ha | 2 ha | 28 ha |
| 2020 | 13 ha | under 1 ha | 14 ha |
| 2021 | 20 ha | under 1 ha | 20 ha |
| 2022 | 10 ha | 1 ha | 11 ha |
| 2023 | 16 ha | under 1 ha | 16 ha |
| 2024 | 4 ha | under 1 ha | 4 ha |
| 2025 | 11 ha | under 1 ha | 12 ha |
What is causing deforestation around Kani?
- Towns and roadscleared for good71% · 329 ha
- Mining and energycleared for good16% · 72 ha
- Loggingcan grow back6.7% · 31 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
- 16,000 ha
- Forest in 2020
- 15,700 ha
- Overall change
- −259 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Kani stayed about the same size, at about 15,700 hectares: new forest grew on about 157 hectares, and about 416 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 Kani
Same 2 km radius, same index — so they compare directly.
- Tajimi12.0 km
Japan
- Tree cover
- 54%
- Air quality
- 7
- Kakamigahara17.2 km
Japan
- Tree cover
- 17%
- Air quality
- 4
- Kasugai19.0 km
Japan
- Tree cover
- 6%
- Air quality
- 9
- Seto19.4 km
Japan
- Tree cover
- 37%
- Air quality
- 8
- Ichinomiya25.9 km
Japan
- Tree cover
- 3%
- Air quality
- 15
- Gifu26.9 km
Japan
- Tree cover
- 17%
- Air quality
- 4
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Frequently asked
Questions about Kani
What is the air quality (AQI) in Kani right now?
The latest reading for Kani shows an AQI of 1 (Good), observed Nov 11, 12:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 245 km, US EPA index. The main pollutant is CO. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Kani today?
At AQI 1 (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 Kani been like this week?
Over the last 7 days, the CAMS air-quality model put Kani's daily AQI at 25 on average, from 10 on Nov 11 to an hourly peak of 79 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 Kani lost since 2001?
Since 2001, the area within 10 km of Kani has lost about 463 hectares of forest (about 650 football pitches): 3.2% of the forest it had in 2000. Most of it (89%) was deforestation, forest cleared for good, mainly for towns and roads. Comparing satellite maps from 2000 and 2020, the forest around Kani stayed about the same size, at about 15,700 hectares: new forest grew on about 157 hectares, and about 416 hectares were lost.
What is the tree count in Kani?
Kani has an estimated 116,123 trees across the 12.56 km² of land measured — 37.0% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Kani need?
Kani has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Kani'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 Shimogiri; the tree count is an estimate derived from that cover.
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