City report · Aceh, Indonesia
Banda Aceh Air quality today
Air quality in Banda Aceh currently reads AQI 40 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 40
Good
- PM2.5, fine particles (µg/m³)
- 7.2
- tree cover
- 33.0%
- trees in this area
- 103K
- more trees needed
- 0
Measured across a 2 km radius around Banda Aceh, Banda Aceh City, Aceh, Indonesia (12.57 km²), from a satellite image of Sep 8, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Banda Aceh · AQI 40 (Good)
Banda Aceh's tree count comes to 103,465 trees across 12.54 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Banda Aceh today: AQI 40, Good
Main pollutant: PM2.5 · Observed Nov 11, 21:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Indrapuri, Indonesia, 21.9 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
7.2
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, BMKG | Badan Meteorologi, Klimatologi dan Geofisika
- Outdoor exercise
- A good day to be active outside
- Windows
- Open them to air the house
- Mask
- Not needed
- Air purifier
- Not needed
Over the last 7 days, the CAMS air-quality model put Banda Aceh's daily AQI at 70 on average, from 59 on Nov 9 to an hourly peak of 149 on Nov 7.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Banda Aceh stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Banda Aceh: Healthy tree cover
33.0% tree cover against a 30% healthy-neighborhood target, across 12.54 km² of land.
Trees in this area
103,465
Target trees
103,465
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Banda Aceh lost?
Since 2001, the area within 10 km of Banda Aceh has lost about 511 hectares of forest (about 720 football pitches): 10% of the forest it had in 2000. Most of it (91%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from March 2017 of a 5 × 5 km area about 7 km south of the city center.
- Forest lost since 2001
- 511 haabout 720 football pitches
- Share of its forest
- 10%of what there was in 2000
- Cleared for good
- 466 hadeforestation: turned into farms, mines or towns
The worst year was 2005, when about 72 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 | 7 ha | 2 ha | 8 ha |
| 2002 | 14 ha | 2 ha | 16 ha |
| 2003 | under 1 ha | under 1 ha | under 1 ha |
| 2004 | 16 ha | under 1 ha | 17 ha |
| 2005 | 71 ha | 1 ha | 72 ha |
| 2006 | 12 ha | 1 ha | 13 ha |
| 2007 | 20 ha | under 1 ha | 21 ha |
| 2008 | 4 ha | under 1 ha | 5 ha |
| 2009 | 32 ha | 4 ha | 35 ha |
| 2010 | 7 ha | under 1 ha | 7 ha |
| 2011 | 30 ha | 4 ha | 34 ha |
| 2012 | 8 ha | 2 ha | 10 ha |
| 2013 | 5 ha | under 1 ha | 5 ha |
| 2014 | 8 ha | 1 ha | 9 ha |
| 2015 | 9 ha | 2 ha | 11 ha |
| 2016 | 11 ha | 2 ha | 14 ha |
| 2017 | 30 ha | 5 ha | 35 ha |
| 2018 | 20 ha | 2 ha | 21 ha |
| 2019 | 43 ha | 5 ha | 48 ha |
| 2020 | 17 ha | under 1 ha | 18 ha |
| 2021 | 21 ha | 2 ha | 23 ha |
| 2022 | 14 ha | 2 ha | 16 ha |
| 2023 | 25 ha | under 1 ha | 25 ha |
| 2024 | 27 ha | under 1 ha | 27 ha |
| 2025 | 18 ha | 4 ha | 22 ha |
What is causing deforestation around Banda Aceh?
- Farms, pasture and plantationscleared for good49% · 249 ha
- Towns and roadscleared for good33% · 168 ha
- Mining and energycleared for good9.6% · 49 ha
Also: shifting farming, storms, floods and other natural causes, 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
- 8,950 ha
- Forest in 2020
- 9,020 ha
- Overall change
- +71 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Banda Aceh stayed about the same size, at about 9,020 hectares: new forest grew on about 366 hectares, and about 295 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 Banda Aceh
Same 2 km radius, same index — so they compare directly.
- Lhokseumawe205.2 km
Indonesia
- Tree cover
- 15%
- Air quality
- 19
- Langsa315.3 km
Indonesia
- Tree cover
- 39%
- Air quality
- 21
- Binjai410.7 km
Indonesia
- Tree cover
- 50%
- Air quality
- 53
- Belawan420.0 km
Indonesia
- Tree cover
- 38%
- Air quality
- 113
- Medan428.9 km
Indonesia
- Tree cover
- 16%
- Air quality
- 128
- Subulussalam437.8 km
Indonesia
- Tree cover
- 76%
- Air quality
- 41
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Frequently asked
Questions about Banda Aceh
What is the air quality (AQI) in Banda Aceh right now?
The latest reading for Banda Aceh shows an AQI of 40 (Good), measured Nov 11, 21:00 local time by the Indrapuri, Indonesia ground monitoring station, 21.9 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Banda Aceh today?
At AQI 40 (Good): a good day to be active outside. Windows: open them to air the house. Masks: not needed. The reading changes through the day, so check again before a long run or ride.
What has the air quality in Banda Aceh been like this week?
Over the last 7 days, the CAMS air-quality model put Banda Aceh's daily AQI at 70 on average, from 59 on Nov 9 to an hourly peak of 149 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Banda Aceh'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 Banda Aceh lost since 2001?
Since 2001, the area within 10 km of Banda Aceh has lost about 511 hectares of forest (about 720 football pitches): 10% of the forest it had in 2000. Most of it (91%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Banda Aceh stayed about the same size, at about 9,020 hectares: new forest grew on about 366 hectares, and about 295 hectares were lost.
What is the tree count in Banda Aceh?
Banda Aceh has an estimated 103,465 trees across the 12.54 km² of land measured — 33.0% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Banda Aceh need?
Banda Aceh has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Banda Aceh's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Banda Aceh, 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 Banda Aceh; the tree count is an estimate derived from that cover.
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