City report · Kuala Lumpur, Malaysia
Bukit Jalil Air quality today
Air quality in Bukit Jalil currently reads AQI 74 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 74
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 21.6
- tree cover
- 29.4%
- trees in this area
- 92.2K
- more trees needed
- 1.9K
Measured across a 2 km radius around Kuala Lumpur, Federal Territory of Kuala Lumpur, Malaysia (12.57 km²), from a satellite image of Sep 4, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Bukit Jalil · AQI 74 (Moderate)
Bukit Jalil's tree count comes to 92,178 trees across 12.54 km² of land, 1 points below the 30% tree-cover level considered healthy for this area, so roughly 1,881 more trees would close the gap.
Air quality detail
Air quality in Bukit Jalil today: AQI 74, Moderate
Main pollutant: PM2.5 · Observed Nov 12, 02:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · ENVIRO EXCELTECH SDN BHD, 4.9 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
21.6
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, ENVIRO EXCELTECH SDN BHD
- Outdoor exercise
- Fine for most people; unusually sensitive people should take long or hard exercise easier
- Windows
- Fine to open; close them if you are sensitive to pollution
- Mask
- Not needed for most people
- Air purifier
- Worth running if you are sensitive
Over the last 7 days, the CAMS air-quality model put Bukit Jalil's daily AQI at 86 on average, from 72 on Nov 11 to an hourly peak of 166 on Nov 10.
This is the US EPA AQI. How it differs from Malaysia's API (IPU) · The full guide
Where Bukit Jalil stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Bukit Jalil: Below target
29.4% tree cover against a 30% healthy-neighborhood target, across 12.54 km² of land.
Trees in this area
92,178
Target trees
94,059
More trees needed
1,881
CO₂ if planted / yr
41.4 t
Deforestation · 2001–2025
How much forest has Bukit Jalil lost?
Since 2001, the area within 10 km of Bukit Jalil has lost about 2,260 hectares of forest (about 3,200 football pitches): 36% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for towns and roads.
2017: satellite photo from March 2017 of a 5 × 5 km area about 1 km southwest of the city center.
- Forest lost since 2001
- 2,260 haabout 3,200 football pitches
- Share of its forest
- 36%of what there was in 2000
- Cleared for good
- 2,260 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 16 hectares a year in 2021–2025, down from 60 hectares a year in 2016–2020. The worst year was 2004, when about 417 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 | 284 ha | under 1 ha | 284 ha |
| 2002 | 268 ha | under 1 ha | 268 ha |
| 2003 | 68 ha | under 1 ha | 68 ha |
| 2004 | 416 ha | 1 ha | 417 ha |
| 2005 | 140 ha | 1 ha | 141 ha |
| 2006 | 86 ha | under 1 ha | 86 ha |
| 2007 | 89 ha | under 1 ha | 90 ha |
| 2008 | 46 ha | under 1 ha | 46 ha |
| 2009 | 143 ha | 1 ha | 144 ha |
| 2010 | 87 ha | under 1 ha | 87 ha |
| 2011 | 34 ha | under 1 ha | 34 ha |
| 2012 | 92 ha | under 1 ha | 92 ha |
| 2013 | 8 ha | under 1 ha | 8 ha |
| 2014 | 84 ha | under 1 ha | 85 ha |
| 2015 | 34 ha | under 1 ha | 34 ha |
| 2016 | 37 ha | under 1 ha | 37 ha |
| 2017 | 132 ha | under 1 ha | 132 ha |
| 2018 | 75 ha | under 1 ha | 75 ha |
| 2019 | 37 ha | under 1 ha | 37 ha |
| 2020 | 19 ha | under 1 ha | 20 ha |
| 2021 | 16 ha | under 1 ha | 16 ha |
| 2022 | 11 ha | under 1 ha | 11 ha |
| 2023 | 23 ha | under 1 ha | 24 ha |
| 2024 | 15 ha | under 1 ha | 15 ha |
| 2025 | 14 ha | under 1 ha | 15 ha |
What is causing deforestation around Bukit Jalil?
- Towns and roadscleared for good99% · 2,240 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.
Forest gained and lost, 2000–2020
- Forest in 2000
- 10,200 ha
- Forest in 2020
- 10,500 ha
- Overall change
- +348 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Bukit Jalil grew from about 10,200 hectares to 10,500 hectares, a net gain of about 348 hectares (+3.4%). New forest grew on about 2,370 hectares, while 2,020 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
In the same region
Measured cities near Bukit Jalil
Same 2 km radius, same index — so they compare directly.
- Kajang13.5 km
Malaysia
- Tree cover
- 27%
- Air quality
- 82
- Setapak18.3 km
Malaysia
- Tree cover
- 16%
- Air quality
- 85
- Kampung Baru Subang19.8 km
Malaysia
- Tree cover
- 25%
- Air quality
- 81
- Bukit Rahman Putra22.9 km
Malaysia
- Tree cover
- 38%
- Air quality
- 75
- Klang26.4 km
Malaysia
- Tree cover
- 23%
- Air quality
- 94
Also compared:Bukit Jalil vs Kuala LumpurBukit Jalil vs Bandar Tasik Puteri
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Frequently asked
Questions about Bukit Jalil
What is the air quality (AQI) in Bukit Jalil right now?
The latest reading for Bukit Jalil shows an AQI of 74 (Moderate), measured Nov 12, 02:00 local time by the ENVIRO EXCELTECH SDN BHD ground monitoring station, 4.9 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Bukit Jalil today?
At AQI 74 (Moderate): fine for most people; unusually sensitive people should take long or hard exercise easier. Windows: fine to open; close them if you are sensitive to pollution. Masks: not needed for most people. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Bukit Jalil been like this week?
Over the last 7 days, the CAMS air-quality model put Bukit Jalil's daily AQI at 86 on average, from 72 on Nov 11 to an hourly peak of 166 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Bukit Jalil's AQI the same as Malaysia's API (IPU)?
No. Airleaf shows the US EPA Air Quality Index (AQI), the scale used by IQAir and most air-quality apps. Malaysia's Department of Environment (Jabatan Alam Sekitar) publishes its own Air Pollutant Index, the API or Indeks Pencemar Udara (IPU), every hour for each of its monitoring stations on APIMS (apims.doe.gov.my). Both scales call 0–50 good and 51–100 moderate; above that the IPU runs 101–200 unhealthy, 201–300 very unhealthy and over 300 hazardous. The two use different breakpoints and averaging times, so the numbers for the same hour often differ. For the official IPU reading, check the nearest station on APIMS.
How much forest has the area around Bukit Jalil lost since 2001?
Since 2001, the area within 10 km of Bukit Jalil has lost about 2,260 hectares of forest (about 3,200 football pitches): 36% of the forest it had in 2000. Most of it (over 99%) 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 60 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Bukit Jalil grew from about 10,200 hectares to 10,500 hectares, a net gain of about 348 hectares (+3.4%). New forest grew on about 2,370 hectares, while 2,020 hectares were lost.
What is the tree count in Bukit Jalil?
Bukit Jalil has an estimated 92,178 trees across the 12.54 km² of land measured — 29.4% tree cover, 1 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Bukit Jalil need?
Bukit Jalil needs roughly 1,881 more trees to close a 1-point shortfall against its 30% tree-cover target — about 41.4 t of extra CO₂ absorbed per year once grown.
How are Bukit Jalil's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Kuala Lumpur, 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 Kuala Lumpur; the tree count is an estimate derived from that cover.
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