City report · Negeri Sembilan, Malaysia
Port Dickson Air quality today
Air quality in Port Dickson currently reads AQI 65 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 65
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 16.4
- tree cover
- 32.5%
- trees in this area
- 38.3K
- more trees needed
- 0
Measured across a 2 km radius around Kampung Bahasa Kapor, 71000 Port Dickson, Negeri Sembilan, Malaysia (12.57 km²), from a satellite image of Aug 15, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Port Dickson · AQI 65 (Moderate)
Port Dickson's tree count comes to 38,288 trees across 4.71 km² of land, already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Port Dickson today: AQI 65, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 23:00 local time via World Air Quality Index Project ground stations, US EPA index. Values in µg/m³.
Ground station · Port Dickson, Negeri Sembilan, Malaysia, 12.1 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
16.4
PM10
22.7
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 Port Dickson's daily AQI at 46 on average, from 33 on Nov 7 to an hourly peak of 75 on Nov 6.
This is the US EPA AQI. How it differs from Malaysia's API (IPU) · The full guide
Where Port Dickson stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Port Dickson: Healthy tree cover
32.5% tree cover against a 30% healthy-neighborhood target, across 4.71 km² of land.
Trees in this area
38,288
Target trees
38,288
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Port Dickson lost?
Since 2001, the area within 10 km of Port Dickson has lost about 3,990 hectares of forest (about 5,600 football pitches): 57% 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 February 2017 of a 5 × 5 km area about 7 km east of the city center.
- Forest lost since 2001
- 3,990 haabout 5,600 football pitches
- Share of its forest
- 57%of what there was in 2000
- Cleared for good
- 3,990 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 93 hectares a year in 2021–2025, down from 126 hectares a year in 2016–2020. The worst year was 2001, when about 573 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 | 573 ha | under 1 ha | 573 ha |
| 2002 | 316 ha | under 1 ha | 316 ha |
| 2003 | 36 ha | under 1 ha | 36 ha |
| 2004 | 99 ha | under 1 ha | 99 ha |
| 2005 | 67 ha | under 1 ha | 67 ha |
| 2006 | 90 ha | under 1 ha | 90 ha |
| 2007 | 132 ha | under 1 ha | 132 ha |
| 2008 | 121 ha | under 1 ha | 121 ha |
| 2009 | 131 ha | under 1 ha | 131 ha |
| 2010 | 144 ha | under 1 ha | 144 ha |
| 2011 | 274 ha | under 1 ha | 274 ha |
| 2012 | 302 ha | under 1 ha | 302 ha |
| 2013 | 168 ha | under 1 ha | 168 ha |
| 2014 | 316 ha | under 1 ha | 316 ha |
| 2015 | 132 ha | under 1 ha | 132 ha |
| 2016 | 156 ha | under 1 ha | 156 ha |
| 2017 | 146 ha | under 1 ha | 146 ha |
| 2018 | 109 ha | under 1 ha | 109 ha |
| 2019 | 134 ha | under 1 ha | 134 ha |
| 2020 | 83 ha | under 1 ha | 83 ha |
| 2021 | 95 ha | under 1 ha | 95 ha |
| 2022 | 60 ha | under 1 ha | 60 ha |
| 2023 | 126 ha | under 1 ha | 126 ha |
| 2024 | 99 ha | under 1 ha | 99 ha |
| 2025 | 82 ha | under 1 ha | 82 ha |
What is causing deforestation around Port Dickson?
- Farms, pasture and plantationscleared for good91% · 3,620 ha
- Towns and roadscleared for good8.6% · 342 ha
Also: mining and energy, 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
- 7,600 ha
- Forest in 2020
- 8,050 ha
- Overall change
- +449 hamore forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Port Dickson grew from about 7,600 hectares to 8,050 hectares, a net gain of about 449 hectares (+5.9%). New forest grew on about 1,480 hectares, while 1,030 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 Port Dickson
What is the air quality (AQI) in Port Dickson right now?
The latest reading for Port Dickson shows an AQI of 65 (Moderate), measured Nov 11, 23:00 local time by the Port Dickson, Negeri Sembilan, Malaysia ground monitoring station, 12.1 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 Port Dickson today?
At AQI 65 (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 Port Dickson been like this week?
Over the last 7 days, the CAMS air-quality model put Port Dickson's daily AQI at 46 on average, from 33 on Nov 7 to an hourly peak of 75 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Port Dickson'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 Port Dickson lost since 2001?
Since 2001, the area within 10 km of Port Dickson has lost about 3,990 hectares of forest (about 5,600 football pitches): 57% 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 93 hectares a year in 2021–2025, down from 126 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Port Dickson grew from about 7,600 hectares to 8,050 hectares, a net gain of about 449 hectares (+5.9%). New forest grew on about 1,480 hectares, while 1,030 hectares were lost.
What is the tree count in Port Dickson?
Port Dickson has an estimated 38,288 trees across the 4.71 km² of land measured — 32.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Port Dickson need?
Port Dickson has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Port Dickson's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Kampung Bahasa Kapor, 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 Bahasa Kapor; the tree count is an estimate derived from that cover.
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