City report · West Java, Indonesia
Sumedang Air quality today
Air quality in Sumedang currently reads AQI 93 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 93
Moderate
- PM2.5, fine particles (µg/m³)
- 40.1
- tree cover
- 37.3%
- trees in this area
- 117K
- more trees needed
- 0
Measured across a 2 km radius around Sumedang Selatan, Sumedang 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.
Sumedang · AQI 93 (Moderate)
Sumedang's tree count comes to 117,181 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Sumedang today: AQI 93, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 145 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 7 station cities within 145 km, e.g. Cileungsi and Bekasi
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
40.1
PM10
59.1
NO₂
29.6
O₃
90.0
SO₂
16.6
CO
1235.0
- 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 Sumedang's daily AQI at 133 on average, from 127 on Nov 7 to an hourly peak of 205 on Nov 5.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Sumedang stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Sumedang: Healthy tree cover
37.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
117,181
Target trees
117,181
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Sumedang lost?
Since 2001, the area within 10 km of Sumedang has lost about 679 hectares of forest (about 950 football pitches): 2.9% of the forest it had in 2000. Most of it (84%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from July 2017 of a 5 × 5 km area about 7 km north of the city center.
- Forest lost since 2001
- 679 haabout 950 football pitches
- Share of its forest
- 2.9%of what there was in 2000
- Cleared for good
- 569 hadeforestation: turned into farms, mines or towns
The worst year was 2001, when about 104 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 | 92 ha | 12 ha | 104 ha |
| 2002 | 7 ha | 3 ha | 10 ha |
| 2003 | 4 ha | 2 ha | 6 ha |
| 2004 | 16 ha | under 1 ha | 17 ha |
| 2005 | 13 ha | under 1 ha | 14 ha |
| 2006 | 8 ha | under 1 ha | 9 ha |
| 2007 | 26 ha | 6 ha | 32 ha |
| 2008 | 13 ha | 1 ha | 14 ha |
| 2009 | 8 ha | under 1 ha | 8 ha |
| 2010 | 17 ha | 1 ha | 19 ha |
| 2011 | 14 ha | under 1 ha | 14 ha |
| 2012 | 31 ha | 1 ha | 33 ha |
| 2013 | 15 ha | 1 ha | 16 ha |
| 2014 | 20 ha | 1 ha | 21 ha |
| 2015 | 11 ha | 2 ha | 13 ha |
| 2016 | 25 ha | 6 ha | 31 ha |
| 2017 | 48 ha | 8 ha | 57 ha |
| 2018 | 25 ha | under 1 ha | 26 ha |
| 2019 | 14 ha | under 1 ha | 14 ha |
| 2020 | 38 ha | 18 ha | 56 ha |
| 2021 | 23 ha | under 1 ha | 24 ha |
| 2022 | 30 ha | 40 ha | 69 ha |
| 2023 | 20 ha | under 1 ha | 20 ha |
| 2024 | 23 ha | under 1 ha | 24 ha |
| 2025 | 29 ha | 3 ha | 31 ha |
What is causing deforestation around Sumedang?
- Farms, pasture and plantationscleared for good71% · 482 ha
- Towns and roadscleared for good13% · 86 ha
- Shifting farmingcan grow back7.6% · 52 ha
Also: storms, floods and other natural causes, wildfires, 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
- 24,600 ha
- Forest in 2020
- 24,200 ha
- Overall change
- −431 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Sumedang stayed about the same size, at about 24,200 hectares: new forest grew on about 143 hectares, and about 574 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 Sumedang
What is the air quality (AQI) in Sumedang right now?
The latest reading for Sumedang shows an AQI of 93 (Moderate), observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 7 ground-station cities within 145 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 Sumedang today?
At AQI 93 (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 Sumedang been like this week?
Over the last 7 days, the CAMS air-quality model put Sumedang's daily AQI at 133 on average, from 127 on Nov 7 to an hourly peak of 205 on Nov 5. On 7 of those days the average was above 100, unhealthy for sensitive groups.
Is Sumedang'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 Sumedang lost since 2001?
Since 2001, the area within 10 km of Sumedang has lost about 679 hectares of forest (about 950 football pitches): 2.9% of the forest it had in 2000. Most of it (84%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Sumedang stayed about the same size, at about 24,200 hectares: new forest grew on about 143 hectares, and about 574 hectares were lost.
What is the tree count in Sumedang?
Sumedang has an estimated 117,181 trees across the 12.57 km² measured — 37.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Sumedang need?
Sumedang has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Sumedang'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 Sumedang Selatan; the tree count is an estimate derived from that cover.
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