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City report · Riau, Indonesia

Batam Air quality today

Air quality in Batam currently reads AQI 116 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.

Air quality right now

AQI 116

Unhealthy for sensitive groups

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
41.6
tree cover
15.6%
trees in this area
49.0K
more trees needed
60.9K

Measured across a 2 km radius around Batam, Batam City, Riau Islands, Indonesia (12.57 km²), from a satellite image of Sep 26, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Batam · AQI 116 (Unhealthy for sensitive groups)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 26, 2026

Batam's tree count comes to 49,009 trees across 12.57 km², 19 points below the 35% tree-cover level considered healthy for this area, so roughly 60,947 more trees would close the gap.

Air quality detail

Air quality in Batam today: AQI 116, Unhealthy for sensitive groups

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 · Batam, Indonesia, 11.6 km away

Health signal

Sensitive groups should limit long or intense outdoor activity.

PM2.5

41.6

PM10

—

NO₂

—

O₃

—

SO₂

—

CO

—

Data: World Air Quality Index Project, BMKG | Badan Meteorologi, Klimatologi dan Geofisika

Outdoor exercise
Children, older adults and people with asthma or heart disease should cut down long or hard exercise
Windows
Close them to keep the outside air out
Mask
Sensitive groups: an N95 outdoors
Air purifier
Run one, especially in bedrooms

Over the last 7 days, the CAMS air-quality model put Batam's daily AQI at 58 on average, from 52 on Nov 8 to an hourly peak of 74 on Nov 6.

Last 7 days · model estimateavg 58 · peak 74
Nov 5: AQI 54 (peak 66)Nov 6: AQI 64 (peak 74)Nov 7: AQI 56 (peak 67)Nov 8: AQI 52 (peak 63)Nov 9: AQI 57 (peak 66)Nov 10: AQI 59 (peak 73)Nov 11: AQI 63 (peak 68)
Nov 5Nov 11

This is the US EPA AQI. How it differs from Indonesia's ISPU

Where Batam stands: the most polluted cities in the world right now · the cleanest

Tree cover detail

Tree cover in Batam: Critically low

15.6% tree cover against a 35% healthy-neighborhood target, across 12.57 km².

19 points below target

Trees in this area

49,009

Target trees

109,956

More trees needed

60,947

CO₂ if planted / yr

1,341 t

Deforestation · 2001–2025

How much forest has Batam lost?

Since 2001, the area within 10 km of Batam has lost about 2,820 hectares of forest (about 3,900 football pitches): 36% of the forest it had in 2000. Most of it (95%) was deforestation, forest cleared for good, mainly for towns and roads.

Satellite image of the area around Batam, April 2017

2017: satellite photo from April 2017 of a 5 × 5 km area about 6 km south of the city center.

Forest lost since 2001
2,820 haabout 3,900 football pitches
Share of its forest
36%of what there was in 2000
Cleared for good
2,680 hadeforestation: turned into farms, mines or towns

Forest loss has stayed about the same: about 82 hectares a year in 2021–2025, against 97 hectares a year in 2016–2020. The worst year was 2002, when about 496 hectares of forest were lost.

Batam's full deforestation report
Forest lost each year around Batam, 2001–2025

Hectares of forest lost each year

Forest lost each year around Batam, 2001–2025. Use the left and right arrow keys to read each year.496

Show the figures as a table
Forest lost each year around Batam, 2001–2025
YearCleared for goodCan grow backTotal
2001148 ha4 ha152 ha
2002455 ha41 ha496 ha
200348 ha7 ha55 ha
2004102 ha5 ha107 ha
2005371 ha11 ha382 ha
200676 haunder 1 ha76 ha
200745 haunder 1 ha45 ha
200819 haunder 1 ha19 ha
200988 haunder 1 ha88 ha
201034 haunder 1 ha35 ha
201174 haunder 1 ha74 ha
201265 haunder 1 ha65 ha
201313 haunder 1 ha13 ha
2014122 ha12 ha134 ha
2015167 ha14 ha181 ha
2016114 ha7 ha121 ha
2017188 ha16 ha204 ha
201870 ha4 ha74 ha
201964 ha2 ha65 ha
202021 ha1 ha22 ha
2021106 ha1 ha107 ha
202281 ha7 ha88 ha
2023120 ha2 ha122 ha
202450 ha3 ha53 ha
202538 ha3 ha40 ha

What is causing deforestation around Batam?

  • Towns and roadscleared for good63% · 1,790 ha
  • Farms, pasture and plantationscleared for good25% · 702 ha
  • Mining and energycleared for good6.6% · 187 ha

Also: wildfires, logging, 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
7,360 ha
Forest in 2020
6,550 ha
Overall change
−803 haless forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Batam shrank from about 7,360 hectares to 6,550 hectares, a net loss of about 803 hectares (−11%). New forest grew on about 836 hectares, but 1,640 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 Batam

What is the air quality (AQI) in Batam right now?

The latest reading for Batam shows an AQI of 116 (Unhealthy for sensitive groups), measured Nov 11, 21:00 local time by the Batam, Indonesia ground monitoring station, 11.6 km away, via OpenAQ. The main pollutant is PM2.5. Sensitive groups should limit long or intense outdoor activity.

Is it safe to exercise outside in Batam today?

At AQI 116 (Unhealthy for sensitive groups): children, older adults and people with asthma or heart disease should cut down long or hard exercise. Windows: close them to keep the outside air out. Masks: sensitive groups: an N95 outdoors. The reading changes through the day, so check again before a long run or ride.

What has the air quality in Batam been like this week?

Over the last 7 days, the CAMS air-quality model put Batam's daily AQI at 58 on average, from 52 on Nov 8 to an hourly peak of 74 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.

Is Batam'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 Batam lost since 2001?

Since 2001, the area within 10 km of Batam has lost about 2,820 hectares of forest (about 3,900 football pitches): 36% of the forest it had in 2000. Most of it (95%) was deforestation, forest cleared for good, mainly for towns and roads. Forest loss has stayed about the same: about 82 hectares a year in 2021–2025, against 97 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Batam shrank from about 7,360 hectares to 6,550 hectares, a net loss of about 803 hectares (−11%). New forest grew on about 836 hectares, but 1,640 hectares were lost.

What is the tree count in Batam?

Batam has an estimated 49,009 trees across the 12.57 km² measured — 15.6% tree cover, 19 percentage points short of the 35% tree-cover target set for this area.

How many more trees does Batam need?

Batam needs roughly 60,947 more trees to close a 19-point shortfall against its 35% tree-cover target — about 1,341 t of extra CO₂ absorbed per year once grown.

How are Batam's air quality and tree cover measured?

Air quality is measured by ground monitoring stations near Batam, 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 Batam; the tree count is an estimate derived from that cover.

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