City report · West Java, Indonesia
Subang Air quality today
Air quality in Subang currently reads AQI 152 (Unhealthy): Everyone should limit long outdoor exertion; sensitive groups more so.
Air quality right now
AQI 152
Unhealthy
- PM2.5, fine particles (µg/m³)
- 66.6
- tree cover
- 45.4%
- trees in this area
- 142K
- more trees needed
- 0
Measured across a 2 km radius around Subang, Subang Regency, West Java, Indonesia (12.57 km²), from a satellite image of Sep 25, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Subang · AQI 152 (Unhealthy)
Subang's tree count comes to 141,773 trees across 12.49 km² of land, already at or above the 40% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Subang today: AQI 152, Unhealthy
Main pollutant: PM2.5 · Observed Nov 10, 21:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 125 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 7 station cities within 125 km, e.g. Cileungsi and Bekasi
Health signal
Everyone should limit long outdoor exertion; sensitive groups more so.
PM2.5
66.6
PM10
97.6
NO₂
53.2
O₃
48.0
SO₂
16.6
CO
1378.0
- 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 Subang's daily AQI at 156 on average, from 146 on Nov 4 to an hourly peak of 237 on Nov 4.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Subang stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Subang: Healthy tree cover
45.4% tree cover against a 40% healthy-neighborhood target, across 12.49 km² of land.
Trees in this area
141,773
Target trees
141,773
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Subang lost?
Since 2001, the area within 10 km of Subang has lost about 1,700 hectares of forest (about 2,400 football pitches): 11% of the forest it had in 2000. Most of it (98%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from September 2017 of a 5 × 5 km area about 7 km southeast of the city center.
- Forest lost since 2001
- 1,700 haabout 2,400 football pitches
- Share of its forest
- 11%of what there was in 2000
- Cleared for good
- 1,660 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 37 hectares a year in 2021–2025, down from 70 hectares a year in 2016–2020. The worst year was 2014, when about 214 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 | 69 ha | 3 ha | 71 ha |
| 2002 | 5 ha | under 1 ha | 6 ha |
| 2003 | 8 ha | under 1 ha | 8 ha |
| 2004 | 63 ha | under 1 ha | 63 ha |
| 2005 | 7 ha | under 1 ha | 7 ha |
| 2006 | 72 ha | 1 ha | 73 ha |
| 2007 | 80 ha | under 1 ha | 81 ha |
| 2008 | 109 ha | 1 ha | 110 ha |
| 2009 | 38 ha | under 1 ha | 39 ha |
| 2010 | 62 ha | under 1 ha | 62 ha |
| 2011 | 44 ha | 1 ha | 46 ha |
| 2012 | 100 ha | 3 ha | 103 ha |
| 2013 | 84 ha | under 1 ha | 85 ha |
| 2014 | 202 ha | 12 ha | 214 ha |
| 2015 | 189 ha | 4 ha | 193 ha |
| 2016 | 110 ha | 2 ha | 112 ha |
| 2017 | 66 ha | 1 ha | 67 ha |
| 2018 | 39 ha | under 1 ha | 39 ha |
| 2019 | 73 ha | 1 ha | 74 ha |
| 2020 | 55 ha | under 1 ha | 55 ha |
| 2021 | 28 ha | under 1 ha | 28 ha |
| 2022 | 18 ha | under 1 ha | 18 ha |
| 2023 | 57 ha | under 1 ha | 57 ha |
| 2024 | 33 ha | 3 ha | 36 ha |
| 2025 | 46 ha | 1 ha | 47 ha |
What is causing deforestation around Subang?
- Farms, pasture and plantationscleared for good92% · 1,560 ha
- Towns and roadscleared for good5.4% · 91 ha
Also: logging, shifting farming, storms, floods and other natural causes, mining and energy, 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
- 16,300 ha
- Forest in 2020
- 15,600 ha
- Overall change
- −675 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Subang shrank from about 16,300 hectares to 15,600 hectares, a net loss of about 675 hectares (−4.1%). New forest grew on about 481 hectares, but 1,160 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 Subang
Same 2 km radius, same index — so they compare directly.
- Lembang31.0 km
Indonesia
- Tree cover
- 54%
- Air quality
- 93
- Pamanukan32.3 km
Indonesia
- Tree cover
- 20%
- Air quality
- 76
- Purwakarta34.7 km
Indonesia
- Tree cover
- 26%
- Air quality
- 153
- Sumedang36.6 km
Indonesia
- Tree cover
- 37%
- Air quality
- 93
- Cikampek37.2 km
Indonesia
- Tree cover
- 24%
- Air quality
- 166
- Cileunyi41.0 km
Indonesia
- Tree cover
- 26%
- Air quality
- 99
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Frequently asked
Questions about Subang
What is the air quality (AQI) in Subang right now?
The latest reading for Subang shows an AQI of 152 (Unhealthy), observed Nov 10, 21:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 125 km, US EPA index. The main pollutant is PM2.5. Everyone should limit long outdoor exertion; sensitive groups more so.
Is it safe to exercise outside in Subang today?
At AQI 152 (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 Subang been like this week?
Over the last 7 days, the CAMS air-quality model put Subang's daily AQI at 156 on average, from 146 on Nov 4 to an hourly peak of 237 on Nov 4. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Subang'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 Subang lost since 2001?
Since 2001, the area within 10 km of Subang has lost about 1,700 hectares of forest (about 2,400 football pitches): 11% of the forest it had in 2000. Most of it (98%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is slowing down: about 37 hectares a year in 2021–2025, down from 70 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Subang shrank from about 16,300 hectares to 15,600 hectares, a net loss of about 675 hectares (−4.1%). New forest grew on about 481 hectares, but 1,160 hectares were lost.
What is the tree count in Subang?
Subang has an estimated 141,773 trees across the 12.49 km² of land measured — 45.4% tree cover, already past the 40% tree-cover target set for this area.
How many more trees does Subang need?
Subang has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Subang'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 Subang; the tree count is an estimate derived from that cover.
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