Japan · Kanagawa · 9 cities
Air quality in Kanagawa today The AQI right now, city by city
Right now, Odawara has the cleanest air of the 9 cities we track in Kanagawa (AQI 22, Good), and Kawasaki the worst (AQI 50, Good). Yokosuka has the most tree cover, at 32.1% — #29 of 207 cities measured in Japan.
Every city is measured the same way, over the same 2 km around its center: the air quality right now, from ground stations where there are any, and its tree cover.
AQI 37
Average right now
Good
- cities tracked
- 9
- average tree cover
- 19.2%
- Japan: 16.4%
- worst air now: Kawasaki
- 50
- cleanest air now: Odawara
- 22
Lower is better on the US EPA index: 0–50 is Good, above 300 is Hazardous. Measured by Airleaf, refreshed hourly.
Kanagawa · average AQI 37
Air quality today across Kanagawa, city by city
| Yokohama | 44Good | 17.9% | 31.7K | #68 of 207 |
|---|---|---|---|---|
| Kawasaki | 50Good | 3.4% | 80.3K | #195 of 207 |
| Aihara | 39Good | 28.7% | 4.1K | #40 of 207 |
| Fujisawa | 44Good | 17.2% | 39.9K | #71 of 207 |
| Yokosuka | 33Good | 32.1% | — | #29 of 207 |
| Hiratsuka | 33Good | 13.9% | 46.9K | #85 of 207 |
| Atsugi | 39Good | 9.4% | 64.1K | #128 of 207 |
| Odawara | 22Good | 18.6% | 26.8K | #60 of 207 |
| Hadano | 28Good | 31.6% | — | #32 of 207 |
Air quality is the US AQI from ground monitoring stations via OpenAQ where available, otherwise the Open-Meteo / CAMS model, refreshed hourly. Tree cover is measured within 2 km of each city center from Sentinel-2 imagery; the rank compares every city measured in Japan.
Deforestation · 2001–2025
How much forest has Kanagawa lost?
Since 2001, Kanagawa has lost about 1,080 hectares of forest (about 1,500 football pitches): 1.1% of the forest it had in 2000. The biggest cause was logging (39%), after which forest can grow back. About 466 hectares (43%) was deforestation: forest cleared for good for farms, mines or towns.
- Forest lost since 2001
- 1,080 haabout 1,500 football pitches
- Share of its forest
- 1.1%of what there was in 2000
- Cleared for good
- 466 hadeforestation: turned into farms, mines or towns
Hectares of forest lost each year
Show the figures as a table
| Year | Cleared for good | Can grow back | Total |
|---|---|---|---|
| 2001 | 13 ha | 20 ha | 33 ha |
| 2002 | 40 ha | 26 ha | 67 ha |
| 2003 | 15 ha | 9 ha | 23 ha |
| 2004 | 31 ha | 34 ha | 65 ha |
| 2005 | 15 ha | 19 ha | 34 ha |
| 2006 | 28 ha | 28 ha | 56 ha |
| 2007 | 21 ha | 24 ha | 45 ha |
| 2008 | 24 ha | 30 ha | 54 ha |
| 2009 | 17 ha | 32 ha | 48 ha |
| 2010 | 19 ha | 25 ha | 44 ha |
| 2011 | 15 ha | 29 ha | 43 ha |
| 2012 | 27 ha | 38 ha | 65 ha |
| 2013 | 11 ha | 10 ha | 20 ha |
| 2014 | 10 ha | 14 ha | 24 ha |
| 2015 | 25 ha | 10 ha | 35 ha |
| 2016 | 33 ha | 50 ha | 83 ha |
| 2017 | 22 ha | 20 ha | 42 ha |
| 2018 | 20 ha | 52 ha | 72 ha |
| 2019 | 22 ha | 22 ha | 44 ha |
| 2020 | 22 ha | 15 ha | 37 ha |
| 2021 | 10 ha | 24 ha | 34 ha |
| 2022 | 5 ha | 16 ha | 21 ha |
| 2023 | 11 ha | 22 ha | 33 ha |
| 2024 | 7 ha | 23 ha | 30 ha |
| 2025 | 3 ha | 30 ha | 33 ha |
Forest loss is slowing down: about 30 hectares a year in 2021–2025, down from 56 hectares a year in 2016–2020. The worst year was 2016, when about 83 hectares of forest were lost.
What is causing deforestation in Kanagawa?
- Loggingcan grow back39% · 420 ha
- Towns and roadscleared for good38% · 411 ha
- Storms, floods and other natural causescan grow back3.4% · 36 ha
Also: mining and energy, farms, pasture and plantations, unknown causes.
Causes for 2025 are estimates, based on what caused forest loss in the same places up to 2024.
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. How it's measured
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