City report · West Java, Indonesia
Cileungsir Air quality today
Air quality in Cileungsir currently reads AQI 195 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Air quality right now
AQI 195
Unhealthy
- PM2.5, fine particles (µg/m³)
- 118.0
- tree cover
- 22.7%
- trees in this area
- 71.2K
- more trees needed
- 54.3K
Measured across a 2 km radius around Cileungsi, Bogor Regency, West Java, Indonesia (12.57 km²), from a satellite image of Sep 20, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Cileungsir · AQI 195 (Unhealthy)
Cileungsir's tree count comes to 71,243 trees across 12.56 km² of land, 17 points below the 40% tree-cover level considered healthy for this area, so roughly 54,295 more trees would close the gap.
Air quality detail
Air quality in Cileungsir today: AQI 195, Unhealthy
Main pollutant: PM2.5 · Observed Nov 11, 22:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Depok, 11.5 km away · median of 2 stations
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
118.0
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · AirGradient, GTA
- Outdoor exercise
- Everyone should cut down long or hard exercise; sensitive groups should avoid it
- Windows
- Keep them closed
- Mask
- Wear an N95 outdoors
- Air purifier
- Run one
Over the last 7 days, the CAMS air-quality model put Cileungsir's daily AQI at 172 on average, from 157 on Nov 5 to an hourly peak of 249 on Nov 7.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Cileungsir stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Cileungsir: Critically low
22.7% tree cover against a 40% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
71,243
Target trees
125,538
More trees needed
54,295
CO₂ if planted / yr
1,194 t
Deforestation · 2001–2025
How much forest has Cileungsir lost?
Since 2001, the area within 10 km of Cileungsir has lost about 323 hectares of forest (about 450 football pitches): 5.9% of the forest it had in 2000. Most of it (93%) was deforestation, forest cleared for good, mainly for mining and energy.
2017: satellite photo from August 2017 of a 5 × 5 km area about 7 km south of the city center.
- Forest lost since 2001
- 323 haabout 450 football pitches
- Share of its forest
- 5.9%of what there was in 2000
- Cleared for good
- 300 hadeforestation: turned into farms, mines or towns
The worst year was 2023, when about 36 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 | 3 ha | under 1 ha | 4 ha |
| 2003 | 3 ha | under 1 ha | 3 ha |
| 2004 | 21 ha | under 1 ha | 22 ha |
| 2005 | 2 ha | under 1 ha | 3 ha |
| 2006 | 10 ha | 2 ha | 12 ha |
| 2007 | 13 ha | under 1 ha | 13 ha |
| 2008 | 8 ha | 1 ha | 10 ha |
| 2009 | 6 ha | 2 ha | 7 ha |
| 2010 | 9 ha | under 1 ha | 10 ha |
| 2011 | 13 ha | 3 ha | 15 ha |
| 2012 | 4 ha | 1 ha | 6 ha |
| 2013 | 5 ha | under 1 ha | 5 ha |
| 2014 | 11 ha | under 1 ha | 11 ha |
| 2015 | 17 ha | under 1 ha | 17 ha |
| 2016 | 17 ha | under 1 ha | 17 ha |
| 2017 | 32 ha | 2 ha | 34 ha |
| 2018 | 16 ha | under 1 ha | 16 ha |
| 2019 | 19 ha | 2 ha | 21 ha |
| 2020 | 17 ha | 2 ha | 19 ha |
| 2021 | 12 ha | under 1 ha | 12 ha |
| 2022 | 13 ha | 1 ha | 14 ha |
| 2023 | 34 ha | 2 ha | 36 ha |
| 2024 | 9 ha | under 1 ha | 9 ha |
| 2025 | 5 ha | under 1 ha | 5 ha |
What is causing deforestation around Cileungsir?
- Mining and energycleared for good45% · 144 ha
- Towns and roadscleared for good32% · 104 ha
- Farms, pasture and plantationscleared for good16% · 53 ha
Also: shifting farming, 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
- 13,800 ha
- Forest in 2020
- 13,600 ha
- Overall change
- −201 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Cileungsir stayed about the same size, at about 13,600 hectares: new forest grew on about 602 hectares, and about 803 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 Cileungsir
What is the air quality (AQI) in Cileungsir right now?
The latest reading for Cileungsir shows an AQI of 195 (Unhealthy), measured Nov 11, 22:00 local time by 2 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Depok, 11.5 km away). The main pollutant is PM2.5. Everyone should limit long outdoor exertion; sensitive groups more so.
Is it safe to exercise outside in Cileungsir today?
At AQI 195 (Unhealthy): everyone should cut down long or hard exercise; sensitive groups should avoid it. Windows: keep them closed. Masks: wear an N95 outdoors. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Cileungsir been like this week?
Over the last 7 days, the CAMS air-quality model put Cileungsir's daily AQI at 172 on average, from 157 on Nov 5 to an hourly peak of 249 on Nov 7. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Cileungsir'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 Cileungsir lost since 2001?
Since 2001, the area within 10 km of Cileungsir has lost about 323 hectares of forest (about 450 football pitches): 5.9% of the forest it had in 2000. Most of it (93%) was deforestation, forest cleared for good, mainly for mining and energy. Comparing satellite maps from 2000 and 2020, the forest around Cileungsir stayed about the same size, at about 13,600 hectares: new forest grew on about 602 hectares, and about 803 hectares were lost.
What is the tree count in Cileungsir?
Cileungsir has an estimated 71,243 trees across the 12.56 km² of land measured — 22.7% tree cover, 17 percentage points short of the 40% tree-cover target set for this area.
How many more trees does Cileungsir need?
Cileungsir needs roughly 54,295 more trees to close a 17-point shortfall against its 40% tree-cover target — about 1,194 t of extra CO₂ absorbed per year once grown.
How are Cileungsir's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Cileungsi, 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 Cileungsi; the tree count is an estimate derived from that cover.
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