City report · North Sumatra, Indonesia
Padangsidempuan Air quality today
Air quality in Padangsidempuan currently reads AQI 11 (Good): Air quality is satisfactory for everyone.
AQI 11
Air quality right now
Good
- PM2.5, fine particles (µg/m³)
- 2.4
- tree cover
- 52.5%
- trees in this area
- 165K
- more trees needed
- 0
Measured across a 2 km radius around Padang Sidempuan, Padangsidimpuan Utara, Padang Sidempuan City, North Sumatra, Indonesia (12.57 km²), from a satellite image of Aug 28, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Padangsidempuan · AQI 11 (Good)
Padangsidempuan's tree count comes to 164,934 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 Padangsidempuan today: AQI 11, Good
Main pollutant: PM2.5 · Observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 250 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 250 km, e.g. Bukittinggi and Kecamatan Perbaungan
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.4
PM10
5.3
NO₂
3.2
O₃
29.0
SO₂
0.6
CO
300.0
- 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 Padangsidempuan's daily AQI at 50 on average, from 36 on Nov 10 to an hourly peak of 113 on Nov 8.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Padangsidempuan stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Padangsidempuan: Healthy tree cover
52.5% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
164,934
Target trees
164,934
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Padangsidempuan lost?
Since 2001, the area within 10 km of Padangsidempuan has lost about 5,130 hectares of forest (about 7,200 football pitches): 20% of the forest it had in 2000. Most of it (83%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.

2018: satellite photo from March 2018 of a 5 × 5 km area about 7 km west of the city center.
- Forest lost since 2001
- 5,130 haabout 7,200 football pitches
- Share of its forest
- 20%of what there was in 2000
- Cleared for good
- 4,260 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 216 hectares a year in 2021–2025, against 223 hectares a year in 2016–2020. The worst year was 2009, when about 423 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 | 57 ha | 17 ha | 74 ha |
| 2002 | 60 ha | 36 ha | 96 ha |
| 2003 | 30 ha | 20 ha | 49 ha |
| 2004 | 116 ha | 53 ha | 169 ha |
| 2005 | 117 ha | 27 ha | 144 ha |
| 2006 | 156 ha | 29 ha | 185 ha |
| 2007 | 158 ha | 21 ha | 179 ha |
| 2008 | 239 ha | 27 ha | 266 ha |
| 2009 | 363 ha | 60 ha | 423 ha |
| 2010 | 138 ha | 52 ha | 190 ha |
| 2011 | 378 ha | 43 ha | 421 ha |
| 2012 | 204 ha | 41 ha | 245 ha |
| 2013 | 189 ha | 22 ha | 211 ha |
| 2014 | 182 ha | 28 ha | 210 ha |
| 2015 | 63 ha | 13 ha | 76 ha |
| 2016 | 156 ha | 39 ha | 195 ha |
| 2017 | 253 ha | 37 ha | 290 ha |
| 2018 | 248 ha | 30 ha | 278 ha |
| 2019 | 154 ha | 38 ha | 192 ha |
| 2020 | 121 ha | 40 ha | 161 ha |
| 2021 | 86 ha | 53 ha | 139 ha |
| 2022 | 125 ha | 27 ha | 152 ha |
| 2023 | 207 ha | 39 ha | 246 ha |
| 2024 | 151 ha | 33 ha | 184 ha |
| 2025 | 314 ha | 43 ha | 357 ha |
What is causing deforestation around Padangsidempuan?
- Farms, pasture and plantationscleared for good80% · 4,120 ha
- Shifting farmingcan grow back14% · 704 ha
- Loggingcan grow back3.1% · 158 ha
Also: towns and roads, 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
- 26,600 ha
- Forest in 2020
- 26,400 ha
- Overall change
- −208 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Padangsidempuan stayed about the same size, at about 26,400 hectares: new forest grew on about 569 hectares, and about 777 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 Padangsidempuan
Same 2 km radius, same index — so they compare directly.
- Rantauprapat101.6 km
Indonesia
- Tree cover
- 47%
- Air quality
- 27
- Pematangsiantar177.1 km
Indonesia
- Tree cover
- 24%
- Air quality
- 39
- Kisaran182.5 km
Indonesia
- Tree cover
- 61%
- Air quality
- 58
- Gunungsitoli184.5 km
Indonesia
- Tree cover
- 64%
- Air quality
- 16
- Tanjungbalai186.0 km
Indonesia
- Tree cover
- 36%
- Air quality
- 55
- Subulussalam198.9 km
Indonesia
- Tree cover
- 76%
- Air quality
- 46
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Frequently asked
Questions about Padangsidempuan
What is the air quality (AQI) in Padangsidempuan right now?
The latest reading for Padangsidempuan shows an AQI of 11 (Good), observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 250 km, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Padangsidempuan today?
At AQI 11 (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 Padangsidempuan been like this week?
Over the last 7 days, the CAMS air-quality model put Padangsidempuan's daily AQI at 50 on average, from 36 on Nov 10 to an hourly peak of 113 on Nov 8. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Padangsidempuan'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 Padangsidempuan lost since 2001?
Since 2001, the area within 10 km of Padangsidempuan has lost about 5,130 hectares of forest (about 7,200 football pitches): 20% of the forest it had in 2000. Most of it (83%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss has stayed about the same: about 216 hectares a year in 2021–2025, against 223 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Padangsidempuan stayed about the same size, at about 26,400 hectares: new forest grew on about 569 hectares, and about 777 hectares were lost.
What is the tree count in Padangsidempuan?
Padangsidempuan has an estimated 164,934 trees across the 12.57 km² measured — 52.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Padangsidempuan need?
Padangsidempuan has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Padangsidempuan'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 Padang Sidempuan; the tree count is an estimate derived from that cover.
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