City report · Kanagawa, Japan
Kawasaki Air quality today
Air quality in Kawasaki currently reads AQI 26 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 26
Good
- PM2.5, fine particles (µg/m³)
- 4.7
- tree cover
- 3.4%
- trees in this area
- 10.3K
- more trees needed
- 80.3K
Measured across a 2 km radius around 3 Chome-13 Oshima, Kawasaki Ward, Kawasaki, Kanagawa 210-0834, Japan (12.57 km²), from a satellite image of Aug 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Kawasaki · AQI 26 (Good)
Kawasaki's tree count comes to 10,265 trees across 12.08 km² of land, 27 points below the 30% tree-cover level considered healthy for this area, so roughly 80,307 more trees would close the gap.
Air quality detail
Air quality in Kawasaki today: AQI 26, 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 · Kamiyacho , 16 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
4.7
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, Vin_Der
- 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 Kawasaki's daily AQI at 74 on average, from 61 on Nov 7 to an hourly peak of 155 on Nov 5.
Where Kawasaki stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Kawasaki: Critically low
3.4% tree cover against a 30% healthy-neighborhood target, across 12.08 km² of land.
Trees in this area
10,265
Target trees
90,572
More trees needed
80,307
CO₂ if planted / yr
1,767 t
Deforestation · 2001–2025
How much forest has Kawasaki lost?
Since 2001, the area within 10 km of Kawasaki has lost about 4 hectares of forest (about 5 football pitches): 1.5% of the forest it had in 2000. The biggest cause was towns and roads (11%). Almost none of it was deforestation, meaning forest cleared for good.
2017: satellite photo from August 2017 of a 5 × 5 km area in the city center.
- Forest lost since 2001
- 4 haabout 5 football pitches
- Share of its forest
- 1.5%of what there was in 2000
- Cleared for good
- under 1 hadeforestation: turned into farms, mines or towns
The worst year was 2006, when about 1 hectare 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 | under 1 ha | under 1 ha |
| 2002 | under 1 ha | under 1 ha | under 1 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | under 1 ha | under 1 ha | under 1 ha |
| 2005 | under 1 ha | under 1 ha | under 1 ha |
| 2006 | under 1 ha | under 1 ha | 1 ha |
| 2007 | under 1 ha | under 1 ha | under 1 ha |
| 2008 | under 1 ha | under 1 ha | under 1 ha |
| 2009 | under 1 ha | under 1 ha | under 1 ha |
| 2010 | under 1 ha | under 1 ha | under 1 ha |
| 2011 | under 1 ha | under 1 ha | under 1 ha |
| 2012 | under 1 ha | under 1 ha | under 1 ha |
| 2013 | under 1 ha | under 1 ha | under 1 ha |
| 2014 | under 1 ha | under 1 ha | under 1 ha |
| 2015 | under 1 ha | under 1 ha | under 1 ha |
| 2016 | under 1 ha | under 1 ha | under 1 ha |
| 2017 | under 1 ha | under 1 ha | under 1 ha |
| 2018 | under 1 ha | under 1 ha | under 1 ha |
| 2019 | under 1 ha | under 1 ha | under 1 ha |
| 2020 | under 1 ha | under 1 ha | under 1 ha |
| 2021 | under 1 ha | under 1 ha | under 1 ha |
| 2022 | under 1 ha | under 1 ha | under 1 ha |
| 2023 | under 1 ha | under 1 ha | under 1 ha |
| 2024 | under 1 ha | under 1 ha | under 1 ha |
| 2025 | under 1 ha | under 1 ha | under 1 ha |
What is causing deforestation around Kawasaki?
- Towns and roadscleared for good11% · under 1 ha
- Storms, floods and other natural causescan grow back2.6% · under 1 ha
- Unknown causescause unknown82% · 3 ha
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
- 686 ha
- Forest in 2020
- 718 ha
- Overall change
- +32 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Kawasaki grew from about 686 hectares to 718 hectares, a net gain of about 32 hectares (+4.7%). New forest grew on about 49 hectares, while 17 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 Kawasaki
What is the air quality (AQI) in Kawasaki right now?
The latest reading for Kawasaki shows an AQI of 26 (Good), measured Nov 12, 01:00 local time by the Kamiyacho ground monitoring station, 16 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Kawasaki today?
At AQI 26 (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 Kawasaki been like this week?
Over the last 7 days, the CAMS air-quality model put Kawasaki's daily AQI at 74 on average, from 61 on Nov 7 to an hourly peak of 155 on Nov 5. On 1 of those days the average was above 100, unhealthy for sensitive groups.
How much forest has the area around Kawasaki lost since 2001?
Since 2001, the area within 10 km of Kawasaki has lost about 4 hectares of forest (about 5 football pitches): 1.5% of the forest it had in 2000. The biggest cause was towns and roads (11%). Almost none of it was deforestation, meaning forest cleared for good. Comparing satellite maps from 2000 and 2020, the forest around Kawasaki grew from about 686 hectares to 718 hectares, a net gain of about 32 hectares (+4.7%). New forest grew on about 49 hectares, while 17 hectares were lost.
What is the tree count in Kawasaki?
Kawasaki has an estimated 10,265 trees across the 12.08 km² of land measured — 3.4% tree cover, 27 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Kawasaki need?
Kawasaki needs roughly 80,307 more trees to close a 27-point shortfall against its 30% tree-cover target — about 1,767 t of extra CO₂ absorbed per year once grown.
How are Kawasaki's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near 3 Chome-13 Oshima, 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 3 Chome-13 Oshima; the tree count is an estimate derived from that cover.
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