City report · Johor, Malaysia
Kluang Air quality today
Air quality in Kluang currently reads AQI 77 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 77
Moderate
- PM2.5, fine particles (µg/m³)
- 23.0
- tree cover
- 29.9%
- trees in this area
- 93.9K
- more trees needed
- 314
Measured across a 2 km radius around Kluang, Johor, Malaysia (12.57 km²), from a satellite image of May 19, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Kluang · AQI 77 (Moderate)
Kluang's tree count comes to 93,934 trees across 12.57 km², 0 points below the 30% tree-cover level considered healthy for this area, so roughly 314 more trees would close the gap.
Air quality detail
Air quality in Kluang today: AQI 77, Moderate
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 · Kluang, Johor, Malaysia, 1 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
23.0
PM10
27.0
NO₂
—
O₃
—
SO₂
—
CO
—
Data: World Air Quality Index Project, Malaysia Department of Environment (DOE); Air Polluant Index Management System
- 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 Kluang's daily AQI at 25 on average, from 16 on Nov 9 to an hourly peak of 56 on Nov 5.
This is the US EPA AQI. How it differs from Malaysia's API (IPU) · The full guide
Where Kluang stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Kluang: Below target
29.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
93,934
Target trees
94,248
More trees needed
314
CO₂ if planted / yr
6.9 t
Deforestation · 2001–2025
How much forest has Kluang lost?
Since 2001, the area within 10 km of Kluang has lost about 18,200 hectares of forest (about 25,000 football pitches): 77% of the forest it had in 2000. Most of it (100%) 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 north of the city center.
- Forest lost since 2001
- 18,200 haabout 25,000 football pitches
- Share of its forest
- 77%of what there was in 2000
- Cleared for good
- 18,200 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 411 hectares a year in 2021–2025, down from 829 hectares a year in 2016–2020. The worst year was 2001, when about 1,510 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 | 1,510 ha | under 1 ha | 1,510 ha |
| 2002 | 898 ha | under 1 ha | 898 ha |
| 2003 | 154 ha | under 1 ha | 154 ha |
| 2004 | 553 ha | under 1 ha | 553 ha |
| 2005 | 567 ha | under 1 ha | 567 ha |
| 2006 | 616 ha | under 1 ha | 616 ha |
| 2007 | 980 ha | under 1 ha | 980 ha |
| 2008 | 416 ha | under 1 ha | 416 ha |
| 2009 | 952 ha | under 1 ha | 952 ha |
| 2010 | 656 ha | under 1 ha | 656 ha |
| 2011 | 1,420 ha | under 1 ha | 1,420 ha |
| 2012 | 662 ha | under 1 ha | 662 ha |
| 2013 | 615 ha | under 1 ha | 615 ha |
| 2014 | 986 ha | under 1 ha | 986 ha |
| 2015 | 964 ha | under 1 ha | 964 ha |
| 2016 | 1,210 ha | under 1 ha | 1,210 ha |
| 2017 | 909 ha | under 1 ha | 909 ha |
| 2018 | 495 ha | under 1 ha | 495 ha |
| 2019 | 971 ha | under 1 ha | 971 ha |
| 2020 | 559 ha | under 1 ha | 559 ha |
| 2021 | 619 ha | under 1 ha | 619 ha |
| 2022 | 354 ha | under 1 ha | 354 ha |
| 2023 | 611 ha | under 1 ha | 611 ha |
| 2024 | 232 ha | under 1 ha | 232 ha |
| 2025 | 238 ha | under 1 ha | 238 ha |
What is causing deforestation around Kluang?
- Farms, pasture and plantationscleared for good90% · 16,400 ha
- Towns and roadscleared for good9.6% · 1,740 ha
Also: 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
- 26,000 ha
- Forest in 2020
- 22,700 ha
- Overall change
- −3,370 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Kluang shrank from about 26,000 hectares to 22,700 hectares, a net loss of about 3,370 hectares (−13%). New forest grew on about 1,550 hectares, but 4,920 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 Kluang
Same 2 km radius, same index — so they compare directly.
- Batu Pahat47.0 km
Malaysia
- Tree cover
- 21%
- Air quality
- 52
- Mukim Pulai67.6 km
Malaysia
- Tree cover
- 40%
- Air quality
- 70
- Iskandar Puteri78.6 km
Malaysia
- Tree cover
- 53%
- Air quality
- 112
- Pelentong79.7 km
Malaysia
- Tree cover
- 45%
- Air quality
- 75
- Johor Bahru79.7 km
Malaysia
- Tree cover
- 22%
- Air quality
- 66
- Muar83.1 km
Malaysia
- Tree cover
- 27%
- Air quality
- 23
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Frequently asked
Questions about Kluang
What is the air quality (AQI) in Kluang right now?
The latest reading for Kluang shows an AQI of 77 (Moderate), measured Nov 11, 21:00 local time by the Kluang, Johor, Malaysia ground monitoring station, 1 km away, via OpenAQ. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Kluang today?
At AQI 77 (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 Kluang been like this week?
Over the last 7 days, the CAMS air-quality model put Kluang's daily AQI at 25 on average, from 16 on Nov 9 to an hourly peak of 56 on Nov 5. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Kluang'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 Kluang lost since 2001?
Since 2001, the area within 10 km of Kluang has lost about 18,200 hectares of forest (about 25,000 football pitches): 77% of the forest it had in 2000. Most of it (100%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is slowing down: about 411 hectares a year in 2021–2025, down from 829 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Kluang shrank from about 26,000 hectares to 22,700 hectares, a net loss of about 3,370 hectares (−13%). New forest grew on about 1,550 hectares, but 4,920 hectares were lost.
What is the tree count in Kluang?
Kluang has an estimated 93,934 trees across the 12.57 km² measured — 29.9% tree cover, 0 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Kluang need?
Kluang needs roughly 314 more trees to close a 0-point shortfall against its 30% tree-cover target — about 6.9 t of extra CO₂ absorbed per year once grown.
How are Kluang's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Kluang, 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 Kluang; the tree count is an estimate derived from that cover.
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