City report · Kanagawa, Japan
Hadano Air quality today
Air quality in Hadano currently reads AQI 14 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 14
Good
- PM2.5, fine particles (µg/m³)
- 2.4
- tree cover
- 31.6%
- trees in this area
- 99.3K
- more trees needed
- 0
Measured across a 2 km radius around Imaizumi, Hadano, Kanagawa 257-0014, Japan (12.57 km²), from a satellite image of Aug 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Hadano · AQI 14 (Good)
Hadano's tree count comes to 99,274 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 Hadano today: AQI 14, Good
Main pollutant: PM2.5 · Observed Nov 11, 11:00 local time via Open-Meteo / CAMS, corrected with 16 ground-station cities within 125 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 16 station cities within 125 km, e.g. Fuchu and Kawasaki
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.4
PM10
9.8
NO₂
21.7
O₃
58.0
SO₂
18.3
CO
169.0
- 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 Hadano's daily AQI at 49 on average, from 26 on Nov 5 to an hourly peak of 79 on Nov 6.
Where Hadano stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Hadano: Healthy tree cover
31.6% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
99,274
Target trees
99,274
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Hadano lost?
Since 2001, the area within 10 km of Hadano has lost about 142 hectares of forest (about 200 football pitches): under 1% of the forest it had in 2000. The biggest cause was logging (46%), after which forest can grow back. About 55 hectares (39%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from September 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 142 haabout 200 football pitches
- Share of its forest
- under 1%of what there was in 2000
- Cleared for good
- 55 hadeforestation: turned into farms, mines or towns
The worst year was 2016, 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 | under 1 ha | 1 ha | 2 ha |
| 2002 | 2 ha | 6 ha | 8 ha |
| 2003 | under 1 ha | under 1 ha | 2 ha |
| 2004 | 1 ha | 12 ha | 13 ha |
| 2005 | 1 ha | 3 ha | 4 ha |
| 2006 | 2 ha | 4 ha | 5 ha |
| 2007 | 2 ha | 3 ha | 5 ha |
| 2008 | under 1 ha | 7 ha | 7 ha |
| 2009 | under 1 ha | 6 ha | 7 ha |
| 2010 | under 1 ha | under 1 ha | 2 ha |
| 2011 | 1 ha | 2 ha | 3 ha |
| 2012 | 1 ha | 3 ha | 4 ha |
| 2013 | under 1 ha | 2 ha | 2 ha |
| 2014 | 7 ha | 2 ha | 9 ha |
| 2015 | 8 ha | 2 ha | 9 ha |
| 2016 | 9 ha | 8 ha | 17 ha |
| 2017 | 8 ha | 6 ha | 13 ha |
| 2018 | 5 ha | 6 ha | 11 ha |
| 2019 | under 1 ha | 2 ha | 2 ha |
| 2020 | under 1 ha | 1 ha | 2 ha |
| 2021 | 1 ha | 2 ha | 3 ha |
| 2022 | under 1 ha | 1 ha | 2 ha |
| 2023 | 2 ha | under 1 ha | 2 ha |
| 2024 | under 1 ha | 2 ha | 3 ha |
| 2025 | under 1 ha | 6 ha | 7 ha |
What is causing deforestation around Hadano?
- Loggingcan grow back46% · 65 ha
- Towns and roadscleared for good28% · 40 ha
- Farms, pasture and plantationscleared for good10% · 14 ha
Also: mining and energy, 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
- 17,400 ha
- Forest in 2020
- 17,300 ha
- Overall change
- −71 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Hadano stayed about the same size, at about 17,300 hectares: new forest grew on about 105 hectares, and about 176 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 Hadano
What is the air quality (AQI) in Hadano right now?
The latest reading for Hadano shows an AQI of 14 (Good), observed Nov 11, 11:00 local time via Open-Meteo / CAMS, corrected with 16 ground-station cities within 125 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Hadano today?
At AQI 14 (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 Hadano been like this week?
Over the last 7 days, the CAMS air-quality model put Hadano's daily AQI at 49 on average, from 26 on Nov 5 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 Hadano lost since 2001?
Since 2001, the area within 10 km of Hadano has lost about 142 hectares of forest (about 200 football pitches): under 1% of the forest it had in 2000. The biggest cause was logging (46%), after which forest can grow back. About 55 hectares (39%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Hadano stayed about the same size, at about 17,300 hectares: new forest grew on about 105 hectares, and about 176 hectares were lost.
What is the tree count in Hadano?
Hadano has an estimated 99,274 trees across the 12.57 km² measured — 31.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Hadano need?
Hadano has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Hadano'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 Imaizumi; the tree count is an estimate derived from that cover.
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