City report · West Kalimantan, Indonesia
Singkawang Air quality today
Air quality in Singkawang currently reads AQI 55 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 55
Moderate
- PM2.5, fine particles (µg/m³)
- 11.2
- tree cover
- 24.0%
- trees in this area
- 75.4K
- more trees needed
- 18.9K
Measured across a 2 km radius around Singkawang, Singkawang City, West Kalimantan, Indonesia (12.57 km²), from a satellite image of Aug 31, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Singkawang · AQI 55 (Moderate)
Singkawang's tree count comes to 75,398 trees across 12.57 km², 6 points below the 30% tree-cover level considered healthy for this area, so roughly 18,850 more trees would close the gap.
Air quality detail
Air quality in Singkawang today: AQI 55, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 185 km, US EPA index. Values in µg/m³.
Estimate · model corrected with 2 station cities within 185 km, e.g. Pontianak and Kuching
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
11.2
PM10
7.8
NO₂
3.1
O₃
59.0
SO₂
0.8
CO
411.0
- 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 Singkawang's daily AQI at 37 on average, from 28 on Nov 9 to an hourly peak of 55 on Nov 10.
This is the US EPA AQI. How it differs from Indonesia's ISPU
Where Singkawang stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Singkawang: Below target
24.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
75,398
Target trees
94,248
More trees needed
18,850
CO₂ if planted / yr
414.7 t
Deforestation · 2001–2025
How much forest has Singkawang lost?
Since 2001, the area within 10 km of Singkawang has lost about 4,120 hectares of forest (about 5,800 football pitches): 28% of the forest it had in 2000. Most of it (89%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from June 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 4,120 haabout 5,800 football pitches
- Share of its forest
- 28%of what there was in 2000
- Cleared for good
- 3,670 hadeforestation: turned into farms, mines or towns
Forest loss is speeding up: about 207 hectares a year in 2021–2025, up from 155 hectares a year in 2016–2020. The worst year was 2014, when about 450 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 | 22 ha | 2 ha | 24 ha |
| 2002 | 29 ha | 3 ha | 32 ha |
| 2003 | 19 ha | 2 ha | 20 ha |
| 2004 | 135 ha | 15 ha | 150 ha |
| 2005 | 81 ha | 17 ha | 98 ha |
| 2006 | 104 ha | 23 ha | 127 ha |
| 2007 | 136 ha | 5 ha | 141 ha |
| 2008 | 100 ha | 9 ha | 109 ha |
| 2009 | 326 ha | 49 ha | 375 ha |
| 2010 | 87 ha | 9 ha | 96 ha |
| 2011 | 180 ha | 9 ha | 189 ha |
| 2012 | 274 ha | 19 ha | 293 ha |
| 2013 | 91 ha | 16 ha | 107 ha |
| 2014 | 346 ha | 104 ha | 450 ha |
| 2015 | 87 ha | 20 ha | 107 ha |
| 2016 | 157 ha | 9 ha | 166 ha |
| 2017 | 158 ha | 12 ha | 170 ha |
| 2018 | 142 ha | 12 ha | 154 ha |
| 2019 | 113 ha | 26 ha | 139 ha |
| 2020 | 130 ha | 14 ha | 144 ha |
| 2021 | 98 ha | 3 ha | 101 ha |
| 2022 | 253 ha | 31 ha | 284 ha |
| 2023 | 184 ha | 29 ha | 213 ha |
| 2024 | 206 ha | 12 ha | 218 ha |
| 2025 | 211 ha | 6 ha | 217 ha |
What is causing deforestation around Singkawang?
- Farms, pasture and plantationscleared for good74% · 3,060 ha
- Wildfirescan grow back9.6% · 397 ha
- Towns and roadscleared for good9.2% · 380 ha
Also: mining and energy, logging, 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
- 13,600 ha
- Forest in 2020
- 12,500 ha
- Overall change
- −1,040 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Singkawang shrank from about 13,600 hectares to 12,500 hectares, a net loss of about 1,040 hectares (−7.7%). New forest grew on about 684 hectares, but 1,730 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 Singkawang
Same 2 km radius, same index — so they compare directly.
- Pontianak111.3 km
Indonesia
- Tree cover
- 0%
- Air quality
- 90
- Kuching166.0 km
Malaysia
- Tree cover
- 23%
- Air quality
- 54
- Sibu350.7 km
Malaysia
- Tree cover
- 49%
- Air quality
- 36
- Tanjung Pandan432.0 km
Indonesia
- Tree cover
- 28%
- Air quality
- 53
- Sungailiat442.4 km
Indonesia
- Tree cover
- 26%
- Air quality
- 43
- Pangkalpinang464.8 km
Indonesia
- Tree cover
- 9%
- Air quality
- 48
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Frequently asked
Questions about Singkawang
What is the air quality (AQI) in Singkawang right now?
The latest reading for Singkawang shows an AQI of 55 (Moderate), observed Nov 11, 18:00 local time via Open-Meteo / CAMS, corrected with 2 ground-station cities within 185 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 Singkawang today?
At AQI 55 (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 Singkawang been like this week?
Over the last 7 days, the CAMS air-quality model put Singkawang's daily AQI at 37 on average, from 28 on Nov 9 to an hourly peak of 55 on Nov 10. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Singkawang'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 Singkawang lost since 2001?
Since 2001, the area within 10 km of Singkawang has lost about 4,120 hectares of forest (about 5,800 football pitches): 28% of the forest it had in 2000. Most of it (89%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is speeding up: about 207 hectares a year in 2021–2025, up from 155 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Singkawang shrank from about 13,600 hectares to 12,500 hectares, a net loss of about 1,040 hectares (−7.7%). New forest grew on about 684 hectares, but 1,730 hectares were lost.
What is the tree count in Singkawang?
Singkawang has an estimated 75,398 trees across the 12.57 km² measured — 24.0% tree cover, 6 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Singkawang need?
Singkawang needs roughly 18,850 more trees to close a 6-point shortfall against its 30% tree-cover target — about 414.7 t of extra CO₂ absorbed per year once grown.
How are Singkawang'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 Singkawang; the tree count is an estimate derived from that cover.
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