City report · Kanagawa, Japan
Odawara Air quality today
Air quality in Odawara currently reads AQI 22 (Good): Air quality is satisfactory for everyone.
AQI 22
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 4.0
- tree cover
- 18.6%
- trees in this area
- 43.6K
- more trees needed
- 26.8K
Measured across a 2 km radius around 2 Chome-9 Sakaecho, Odawara, Kanagawa 250-0011, Japan (12.57 km²), from a satellite image of Aug 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Odawara · AQI 22 (Good)
Odawara's tree count comes to 43,650 trees across 9.39 km² of land, 11 points below the 30% tree-cover level considered healthy for this area, so roughly 26,753 more trees would close the gap.
Air quality detail
Air quality in Odawara today: AQI 22, Good
Main pollutant: PM2.5 · Observed Nov 12, 01:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · 南足柄市生駒３３０－１, 6.9 km away · median of 4 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
4.0
PM10
—
NO₂
11.3
O₃
—
SO₂
2.6
CO
—
Data: OpenAQ · Ministry of the Environment Air Pollutant Wide Area Monitoring System
- 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 Odawara's daily AQI at 49 on average, from 26 on Nov 5 to an hourly peak of 79 on Nov 6.
Where Odawara stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Odawara: Below target
18.6% tree cover against a 30% healthy-neighborhood target, across 9.39 km² of land.
Trees in this area
43,650
Target trees
70,403
More trees needed
26,753
CO₂ if planted / yr
588.6 t
Deforestation · 2001–2025
How much forest has Odawara lost?
Since 2001, the area within 10 km of Odawara has lost about 150 hectares of forest (about 210 football pitches): 1.4% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 38 hectares (25%) was deforestation: forest cleared for good for farms, mines or towns.
2017: satellite photo from June 2017 of a 5 × 5 km area about 6 km west of the city center.
- Forest lost since 2001
- 150 haabout 210 football pitches
- Share of its forest
- 1.4%of what there was in 2000
- Cleared for good
- 38 hadeforestation: turned into farms, mines or towns
The worst year was 2018, when about 15 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 | 3 ha | 5 ha | 8 ha |
| 2002 | 4 ha | 2 ha | 7 ha |
| 2003 | 3 ha | under 1 ha | 4 ha |
| 2004 | 3 ha | 2 ha | 5 ha |
| 2005 | 2 ha | 2 ha | 4 ha |
| 2006 | 3 ha | 3 ha | 6 ha |
| 2007 | 2 ha | 6 ha | 8 ha |
| 2008 | 2 ha | 6 ha | 8 ha |
| 2009 | 1 ha | 3 ha | 4 ha |
| 2010 | 2 ha | 6 ha | 8 ha |
| 2011 | under 1 ha | 4 ha | 4 ha |
| 2012 | 1 ha | 2 ha | 3 ha |
| 2013 | under 1 ha | 2 ha | 2 ha |
| 2014 | 2 ha | 3 ha | 5 ha |
| 2015 | under 1 ha | 3 ha | 3 ha |
| 2016 | under 1 ha | 4 ha | 4 ha |
| 2017 | under 1 ha | 3 ha | 3 ha |
| 2018 | under 1 ha | 15 ha | 15 ha |
| 2019 | under 1 ha | 3 ha | 3 ha |
| 2020 | under 1 ha | 5 ha | 5 ha |
| 2021 | under 1 ha | 8 ha | 8 ha |
| 2022 | under 1 ha | 8 ha | 8 ha |
| 2023 | 5 ha | 9 ha | 13 ha |
| 2024 | under 1 ha | 6 ha | 7 ha |
| 2025 | under 1 ha | 5 ha | 5 ha |
What is causing deforestation around Odawara?
- Loggingcan grow back65% · 97 ha
- Towns and roadscleared for good23% · 35 ha
- Farms, pasture and plantationscleared for good1.1% · 2 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
- 12,500 ha
- Forest in 2020
- 12,500 ha
- Overall change
- −45 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Odawara stayed about the same size, at about 12,500 hectares: new forest grew on about 46 hectares, and about 91 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 Odawara
What is the air quality (AQI) in Odawara right now?
The latest reading for Odawara shows an AQI of 22 (Good), measured Nov 12, 01:00 local time by 4 ground monitoring stations via OpenAQ (the median of their readings; the nearest is 南足柄市生駒３３０－１, 6.9 km away). The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Odawara today?
At AQI 22 (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 Odawara been like this week?
Over the last 7 days, the CAMS air-quality model put Odawara'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 Odawara lost since 2001?
Since 2001, the area within 10 km of Odawara has lost about 150 hectares of forest (about 210 football pitches): 1.4% of the forest it had in 2000. Most of it was lost to logging, so much of it can grow back. About 38 hectares (25%) was deforestation: forest cleared for good for farms, mines or towns. Comparing satellite maps from 2000 and 2020, the forest around Odawara stayed about the same size, at about 12,500 hectares: new forest grew on about 46 hectares, and about 91 hectares were lost.
What is the tree count in Odawara?
Odawara has an estimated 43,650 trees across the 9.39 km² of land measured — 18.6% tree cover, 11 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Odawara need?
Odawara needs roughly 26,753 more trees to close a 11-point shortfall against its 30% tree-cover target — about 588.6 t of extra CO₂ absorbed per year once grown.
How are Odawara's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near 2 Chome-9 Sakaecho, 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-9 Sakaecho; the tree count is an estimate derived from that cover.
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