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Air quality now: AQI46Good, Batu Pahat

City report · Johor, Malaysia

Batu Pahat Air quality today

Air quality in Batu Pahat currently reads AQI 46 (Good): Air quality is satisfactory for everyone.

AQI 46

Air quality right now

Good

Main pollutant: PM2.5
PM2.5, fine particles (µg/m³)
8.2
tree cover
20.7%
trees in this area
63.7K
more trees needed
28.6K

Measured across a 2 km radius around Kampung Pegawai, 83000 Batu Pahat, Johor, Malaysia (12.57 km²), from a satellite image of Jun 13, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.

Batu Pahat · AQI 46 (Good)

Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Jun 13, 2026

Batu Pahat's tree count comes to 63,665 trees across 12.31 km² of land, 9 points below the 30% tree-cover level considered healthy for this area, so roughly 28,603 more trees would close the gap.

Air quality detail

Air quality in Batu Pahat today: AQI 46, Good

Main pollutant: PM2.5 · Observed Nov 12, 00:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.

Ground station · Batu Pahat, Johor, Malaysia, 10.3 km away

Health signal

Air quality is satisfactory for everyone.

PM2.5

8.2

PM10

20.5

NO₂

—

O₃

—

SO₂

—

CO

—

Data: World Air Quality Index Project, Malaysia Department of Environment (DOE); Air Polluant Index Management System

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 Batu Pahat's daily AQI at 28 on average, from 20 on Nov 9 to an hourly peak of 59 on Nov 5.

Last 7 days · model estimateavg 28 · peak 59
Nov 5: AQI 37 (peak 59)Nov 6: AQI 34 (peak 51)Nov 7: AQI 21 (peak 54)Nov 8: AQI 37 (peak 55)Nov 9: AQI 20 (peak 32)Nov 10: AQI 22 (peak 30)Nov 11: AQI 22 (peak 27)
Nov 5Nov 11

This is the US EPA AQI. How it differs from Malaysia's API (IPU) · The full guide

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

Tree cover detail

Tree cover in Batu Pahat: Below target

20.7% tree cover against a 30% healthy-neighborhood target, across 12.31 km² of land.

9 points below target

Trees in this area

63,665

Target trees

92,268

More trees needed

28,603

CO₂ if planted / yr

629.3 t

Deforestation · 2001–2025

How much forest has Batu Pahat lost?

Since 2001, the area within 10 km of Batu Pahat has lost about 8,840 hectares of forest (about 12,000 football pitches): 41% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.

Satellite image of the area around Batu Pahat, May 2017

2017: satellite photo from May 2017 of a 5 × 5 km area about 7 km east of the city center.

Forest lost since 2001
8,840 haabout 12,000 football pitches
Share of its forest
41%of what there was in 2000
Cleared for good
8,840 hadeforestation: turned into farms, mines or towns

Forest loss is slowing down: about 253 hectares a year in 2021–2025, down from 433 hectares a year in 2016–2020. The worst year was 2007, when about 674 hectares of forest were lost.

Forest lost each year around Batu Pahat, 2001–2025

Hectares of forest lost each year

Forest lost each year around Batu Pahat, 2001–2025. Use the left and right arrow keys to read each year.674

Show the figures as a table
Forest lost each year around Batu Pahat, 2001–2025
YearCleared for goodCan grow backTotal
2001477 haunder 1 ha477 ha
2002288 haunder 1 ha288 ha
2003138 haunder 1 ha138 ha
2004499 ha1 ha500 ha
2005414 haunder 1 ha414 ha
2006303 haunder 1 ha303 ha
2007674 haunder 1 ha674 ha
2008195 ha1 ha196 ha
2009434 ha1 ha435 ha
2010196 haunder 1 ha196 ha
2011600 haunder 1 ha600 ha
2012330 haunder 1 ha330 ha
2013123 haunder 1 ha123 ha
2014475 ha1 ha476 ha
2015263 haunder 1 ha263 ha
2016602 haunder 1 ha602 ha
2017511 haunder 1 ha511 ha
2018335 haunder 1 ha335 ha
2019383 haunder 1 ha383 ha
2020335 haunder 1 ha335 ha
2021311 haunder 1 ha311 ha
2022274 haunder 1 ha274 ha
2023205 haunder 1 ha205 ha
2024320 ha1 ha321 ha
2025153 ha1 ha154 ha

What is causing deforestation around Batu Pahat?

  • Farms, pasture and plantationscleared for good87% · 7,690 ha
  • Towns and roadscleared for good11% · 1,000 ha
  • Mining and energycleared for good1.6% · 141 ha

Also: logging, 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
24,200 ha
Forest in 2020
22,200 ha
Overall change
−2,010 haless forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Batu Pahat shrank from about 24,200 hectares to 22,200 hectares, a net loss of about 2,010 hectares (−8.3%). New forest grew on about 753 hectares, but 2,760 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 Batu Pahat

Same 2 km radius, same index — so they compare directly.

  • Muar

    Malaysia

    45.6 km
    Tree cover
    27%
    Air quality
    27
  • Kluang

    Malaysia

    47.0 km
    Tree cover
    30%
    Air quality
    53
  • Malacca

    Malaysia

    85.7 km
    Tree cover
    21%
    Air quality
    65
  • Mukim Pulai

    Malaysia

    89.1 km
    Tree cover
    40%
    Air quality
    77
  • Iskandar Puteri

    Malaysia

    92.3 km
    Tree cover
    53%
    Air quality
    82
  • Johor Bahru

    Malaysia

    101.4 km
    Tree cover
    22%
    Air quality
    76

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Batu Pahat air quality (AQI) and tree cover — measured by Airleaf
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Frequently asked

Questions about Batu Pahat

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

The latest reading for Batu Pahat shows an AQI of 46 (Good), measured Nov 12, 00:00 local time by the Batu Pahat, Johor, Malaysia ground monitoring station, 10.3 km away, via OpenAQ. The main pollutant is PM2.5. Air quality is satisfactory for everyone.

Is it safe to exercise outside in Batu Pahat today?

At AQI 46 (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 Batu Pahat been like this week?

Over the last 7 days, the CAMS air-quality model put Batu Pahat's daily AQI at 28 on average, from 20 on Nov 9 to an hourly peak of 59 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.

Is Batu Pahat's AQI the same as Malaysia's API (IPU)?

No. Airleaf shows the US EPA Air Quality Index (AQI), the scale used by IQAir and most air-quality apps. Malaysia's Department of Environment (Jabatan Alam Sekitar) publishes its own Air Pollutant Index, the API or Indeks Pencemar Udara (IPU), every hour for each of its monitoring stations on APIMS (apims.doe.gov.my). Both scales call 0–50 good and 51–100 moderate; above that the IPU runs 101–200 unhealthy, 201–300 very unhealthy and over 300 hazardous. The two use different breakpoints and averaging times, so the numbers for the same hour often differ. For the official IPU reading, check the nearest station on APIMS.

How much forest has the area around Batu Pahat lost since 2001?

Since 2001, the area within 10 km of Batu Pahat has lost about 8,840 hectares of forest (about 12,000 football pitches): 41% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is slowing down: about 253 hectares a year in 2021–2025, down from 433 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Batu Pahat shrank from about 24,200 hectares to 22,200 hectares, a net loss of about 2,010 hectares (−8.3%). New forest grew on about 753 hectares, but 2,760 hectares were lost.

What is the tree count in Batu Pahat?

Batu Pahat has an estimated 63,665 trees across the 12.31 km² of land measured — 20.7% tree cover, 9 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Batu Pahat need?

Batu Pahat needs roughly 28,603 more trees to close a 9-point shortfall against its 30% tree-cover target — about 629.3 t of extra CO₂ absorbed per year once grown.

How are Batu Pahat's air quality and tree cover measured?

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

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