City report · West Java, Indonesia
Cileunyi Air quality today
Air quality in Cileunyi currently reads AQI 99 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 99
Moderate
- PM2.5, fine particles (µg/m³)
- 30.5
- tree cover
- 26.2%
- trees in this area
- 82.3K
- more trees needed
- 11.9K
Measured across a 2 km radius around Cileunyi, Bandung Regency, West Java, Indonesia (12.57 km²), from a satellite image of Sep 24, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Cileunyi · AQI 99 (Moderate)
Cileunyi's tree count comes to 82,310 trees across 12.57 km², 4 points below the 30% tree-cover level considered healthy for this area, so roughly 11,938 more trees would close the gap.
Air quality detail
Air quality in Cileunyi today: AQI 99, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 125 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 5 station cities within 125 km, e.g. Cileungsi and Cibinong
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
30.5
PM10
44.9
NO₂
69.5
O₃
5.0
SO₂
18.9
CO
2303.0
- 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 Cileunyi's daily AQI at 158 on average, from 139 on Nov 11 to an hourly peak of 237 on Nov 7.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Cileunyi stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Cileunyi: Below target
26.2% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
82,310
Target trees
94,248
More trees needed
11,938
CO₂ if planted / yr
262.6 t
Deforestation · 2001–2025
How much forest has Cileunyi lost?
Since 2001, the area within 10 km of Cileunyi has lost about 301 hectares of forest (about 420 football pitches): 3% of the forest it had in 2000. Most of it (88%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 301 haabout 420 football pitches
- Share of its forest
- 3%of what there was in 2000
- Cleared for good
- 265 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 49 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 | 36 ha | 13 ha | 49 ha |
| 2002 | 17 ha | 4 ha | 21 ha |
| 2003 | 7 ha | 1 ha | 9 ha |
| 2004 | 11 ha | under 1 ha | 11 ha |
| 2005 | 6 ha | under 1 ha | 6 ha |
| 2006 | 19 ha | 2 ha | 21 ha |
| 2007 | 18 ha | under 1 ha | 18 ha |
| 2008 | 26 ha | 2 ha | 28 ha |
| 2009 | 9 ha | under 1 ha | 10 ha |
| 2010 | 4 ha | under 1 ha | 5 ha |
| 2011 | 17 ha | 5 ha | 21 ha |
| 2012 | 10 ha | 1 ha | 11 ha |
| 2013 | 5 ha | under 1 ha | 5 ha |
| 2014 | 6 ha | under 1 ha | 7 ha |
| 2015 | 3 ha | under 1 ha | 4 ha |
| 2016 | 2 ha | under 1 ha | 2 ha |
| 2017 | 4 ha | under 1 ha | 5 ha |
| 2018 | 8 ha | under 1 ha | 8 ha |
| 2019 | 7 ha | under 1 ha | 7 ha |
| 2020 | 3 ha | under 1 ha | 4 ha |
| 2021 | 7 ha | under 1 ha | 7 ha |
| 2022 | 5 ha | under 1 ha | 5 ha |
| 2023 | 26 ha | under 1 ha | 26 ha |
| 2024 | 10 ha | under 1 ha | 10 ha |
| 2025 | 1 ha | 1 ha | 2 ha |
What is causing deforestation around Cileunyi?
- Farms, pasture and plantationscleared for good48% · 143 ha
- Towns and roadscleared for good41% · 122 ha
- Loggingcan grow back6.8% · 20 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
- 10,400 ha
- Forest in 2020
- 10,500 ha
- Overall change
- +97 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Cileunyi stayed about the same size, at about 10,500 hectares: new forest grew on about 390 hectares, and about 293 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 Cileunyi
What is the air quality (AQI) in Cileunyi right now?
The latest reading for Cileunyi shows an AQI of 99 (Moderate), observed Nov 11, 00:00 local time via Open-Meteo / CAMS, corrected with 5 ground-station cities within 125 km, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Cileunyi today?
At AQI 99 (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 Cileunyi been like this week?
Over the last 7 days, the CAMS air-quality model put Cileunyi's daily AQI at 158 on average, from 139 on Nov 11 to an hourly peak of 237 on Nov 7. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Cileunyi's AQI the same as Indonesia's ISPU?
No. Airleaf shows the US EPA Air Quality Index (AQI), the scale used by IQAir and most air-quality apps. Indonesia's official index is the ISPU (Indeks Standar Pencemar Udara), published by the environment ministry from its own monitoring stations. Its bands are 0–50 Baik (good), 51–100 Sedang (moderate), 101–200 Tidak Sehat (unhealthy), 201–300 Sangat Tidak Sehat (very unhealthy) and over 300 Berbahaya (hazardous). The two indexes use different breakpoints and averaging times, so the same air can score differently on each.
How much forest has the area around Cileunyi lost since 2001?
Since 2001, the area within 10 km of Cileunyi has lost about 301 hectares of forest (about 420 football pitches): 3% of the forest it had in 2000. Most of it (88%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Cileunyi stayed about the same size, at about 10,500 hectares: new forest grew on about 390 hectares, and about 293 hectares were lost.
What is the tree count in Cileunyi?
Cileunyi has an estimated 82,310 trees across the 12.57 km² measured — 26.2% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Cileunyi need?
Cileunyi needs roughly 11,938 more trees to close a 4-point shortfall against its 30% tree-cover target — about 262.6 t of extra CO₂ absorbed per year once grown.
How are Cileunyi's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Cileunyi; the tree count is an estimate derived from that cover.
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