- Tree cover
- 18.2%
- Air quality
- 171Unhealthy
- Trees in this area
- 53.7K
- More trees needed
- 64.3K
- Area analyzed
- 11.8 km²land, in a 12.57 km² circle
- Satellite image
- Sep 3, 2026
Ulu Bedok's tree count comes to 53,689 trees across 11.8 km² of land — 22 points below the 40% tree-cover level considered healthy for this area, meaning roughly 64,309 more trees would close the gap. Air quality currently reads AQI 171 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Tree cover detail
Tree cover in Ulu Bedok: Critically low
18.2% tree cover against a 40% healthy-neighborhood target, across 11.8 km² of land.
Trees in this area
53,689
Target trees
117,998
More trees needed
64,309
CO₂ if planted / yr
1,415 t
Air quality detail
Air quality in Ulu Bedok today: AQI 171, Unhealthy
Observed Oct 20, 06:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Joo Chiat Place, 4.1 km away · median of 2 stations
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
84.2
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, Bjoern
Deforestation · 2001–2025
How much forest has Ulu Bedok lost?
Since 2001, the area within 10 km of Ulu Bedok has lost about 657 hectares of forest (about 920 football pitches): 25% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from May 2017 of a 5 × 5 km area about 3 km east of the city centre.
- Forest lost since 2001
- 657 haabout 920 football pitches
- Share of its forest
- 25%of what there was in 2000
- Cleared for good
- 634 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 16 hectares a year in 2021–2025, down from 52 hectares a year in 2016–2020. The worst year was 2017, when about 92 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 | 2 ha | under 1 ha | 2 ha |
| 2002 | 14 ha | under 1 ha | 14 ha |
| 2003 | 2 ha | under 1 ha | 2 ha |
| 2004 | 5 ha | under 1 ha | 5 ha |
| 2005 | 39 ha | under 1 ha | 39 ha |
| 2006 | 8 ha | under 1 ha | 8 ha |
| 2007 | 11 ha | under 1 ha | 11 ha |
| 2008 | 14 ha | under 1 ha | 14 ha |
| 2009 | 39 ha | under 1 ha | 39 ha |
| 2010 | 13 ha | under 1 ha | 14 ha |
| 2011 | 32 ha | under 1 ha | 33 ha |
| 2012 | 17 ha | under 1 ha | 18 ha |
| 2013 | 3 ha | under 1 ha | 3 ha |
| 2014 | 33 ha | 2 ha | 35 ha |
| 2015 | 66 ha | 15 ha | 81 ha |
| 2016 | 57 ha | under 1 ha | 58 ha |
| 2017 | 92 ha | under 1 ha | 92 ha |
| 2018 | 46 ha | under 1 ha | 46 ha |
| 2019 | 35 ha | under 1 ha | 35 ha |
| 2020 | 27 ha | under 1 ha | 27 ha |
| 2021 | 16 ha | under 1 ha | 16 ha |
| 2022 | 4 ha | under 1 ha | 4 ha |
| 2023 | 28 ha | under 1 ha | 28 ha |
| 2024 | 14 ha | under 1 ha | 14 ha |
| 2025 | 18 ha | under 1 ha | 18 ha |
What is causing deforestation around Ulu Bedok?
- Towns and roadscleared for good88% · 581 ha
- Farms, pasture and plantationscleared for good8.1% · 53 ha
- Loggingcan grow back2.4% · 16 ha
Also: 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
- 3,140 ha
- Forest in 2020
- 2,990 ha
- Overall change
- −150 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Ulu Bedok shrank from about 3,140 hectares to 2,990 hectares, a net loss of about 150 hectares (−4.8%). New forest grew on about 494 hectares, but 644 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 centre, 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 Ulu Bedok
Same 2 km radius, same index — so they compare directly.
- Pasir Gudang14.6 km
Malaysia
- Tree cover
- 23%
- Air quality
- 168
- Batam22.8 km
Indonesia
- Tree cover
- 13%
- Air quality
- 168
- Jurong Town23.4 km
Singapore
- Tree cover
- 23%
- Air quality
- 143
- Johor Bahru24.4 km
Malaysia
- Tree cover
- 19%
- Air quality
- 168
- Pelentong24.5 km
Malaysia
- Tree cover
- 46%
- Air quality
- 170
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Frequently asked
Questions about Ulu Bedok
What is the tree count in Ulu Bedok?
Ulu Bedok has an estimated 53,689 trees across the 11.8 km² of land measured — 18.2% tree cover, 22 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Ulu Bedok need?
Ulu Bedok needs roughly 64,309 more trees to close a 22-point shortfall against its 40% tree-cover target — about 1,415 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Ulu Bedok right now?
The latest reading for Ulu Bedok shows an AQI of 171 (Unhealthy), measured Oct 20, 06:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Joo Chiat Place, 4.1 km away). Everyone should limit long outdoor exertion; sensitive groups more so.
How much forest has the area around Ulu Bedok lost since 2001?
Since 2001, the area within 10 km of Ulu Bedok has lost about 657 hectares of forest (about 920 football pitches): 25% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for towns and roads. Forest loss is slowing down: about 16 hectares a year in 2021–2025, down from 52 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Ulu Bedok shrank from about 3,140 hectares to 2,990 hectares, a net loss of about 150 hectares (−4.8%). New forest grew on about 494 hectares, but 644 hectares were lost.
How is Ulu Bedok's tree cover and air quality measured?
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 Bedok; the tree count is an estimate derived from that cover. Air quality is measured by ground monitoring stations near Bedok, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate.
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