City report · Selangor, Malaysia
Kuala Kubu Baharu Air quality today
Air quality in Kuala Kubu Baharu currently reads AQI 53 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Air quality right now
AQI 53
Moderate
- PM2.5, fine particles (µg/m³)
- 10.3
- tree cover
- 74.2%
- trees in this area
- 233K
- more trees needed
- 0
Measured across a 2 km radius around Pekan Kuala Kubu Bharu, 44000 Kuala Kubu Baru, Selangor, Malaysia (12.57 km²), from a satellite image of Sep 14, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Kuala Kubu Baharu · AQI 53 (Moderate)
Kuala Kubu Baharu's tree count comes to 233,106 trees across 12.57 km², already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Kuala Kubu Baharu today: AQI 53, 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 · Tanjung Malim, Perak, Malaysia, 20.2 km away
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.3
PM10
18.4
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 Kuala Kubu Baharu's daily AQI at 41 on average, from 30 on Nov 9 to an hourly peak of 80 on Nov 4.
This is the US EPA AQI. How it differs from Malaysia's API (IPU) · The full guide
Where Kuala Kubu Baharu stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Kuala Kubu Baharu: Healthy tree cover
74.2% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
233,106
Target trees
233,106
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Kuala Kubu Baharu lost?
Since 2001, the area within 10 km of Kuala Kubu Baharu has lost about 6,790 hectares of forest (about 9,500 football pitches): 24% of the forest it had in 2000. Most of it (91%) 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 northwest of the city center.
- Forest lost since 2001
- 6,790 haabout 9,500 football pitches
- Share of its forest
- 24%of what there was in 2000
- Cleared for good
- 6,180 hadeforestation: turned into farms, mines or towns
Forest loss has stayed about the same: about 246 hectares a year in 2021–2025, against 231 hectares a year in 2016–2020. The worst year was 2005, when about 487 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 | 211 ha | 12 ha | 223 ha |
| 2002 | 417 ha | 33 ha | 450 ha |
| 2003 | 276 ha | 1 ha | 277 ha |
| 2004 | 307 ha | 10 ha | 317 ha |
| 2005 | 256 ha | 231 ha | 487 ha |
| 2006 | 81 ha | 5 ha | 86 ha |
| 2007 | 283 ha | 13 ha | 296 ha |
| 2008 | 175 ha | 18 ha | 193 ha |
| 2009 | 262 ha | 73 ha | 335 ha |
| 2010 | 417 ha | under 1 ha | 417 ha |
| 2011 | 220 ha | 13 ha | 233 ha |
| 2012 | 320 ha | 10 ha | 330 ha |
| 2013 | 158 ha | 1 ha | 159 ha |
| 2014 | 357 ha | 31 ha | 388 ha |
| 2015 | 201 ha | 6 ha | 207 ha |
| 2016 | 309 ha | 12 ha | 321 ha |
| 2017 | 183 ha | 5 ha | 188 ha |
| 2018 | 111 ha | 4 ha | 115 ha |
| 2019 | 264 ha | 33 ha | 297 ha |
| 2020 | 212 ha | 24 ha | 236 ha |
| 2021 | 358 ha | 40 ha | 398 ha |
| 2022 | 284 ha | 4 ha | 288 ha |
| 2023 | 188 ha | 12 ha | 200 ha |
| 2024 | 162 ha | 5 ha | 167 ha |
| 2025 | 163 ha | 15 ha | 178 ha |
What is causing deforestation around Kuala Kubu Baharu?
- Farms, pasture and plantationscleared for good83% · 5,610 ha
- Loggingcan grow back7.9% · 538 ha
- Mining and energycleared for good6.7% · 458 ha
Also: towns and roads, shifting farming, wildfires, 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
- 29,200 ha
- Forest in 2020
- 28,400 ha
- Overall change
- −781 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Kuala Kubu Baharu shrank from about 29,200 hectares to 28,400 hectares, a net loss of about 781 hectares (−2.7%). New forest grew on about 708 hectares, but 1,490 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 Kuala Kubu Baharu
Same 2 km radius, same index — so they compare directly.
- Rawang28.4 km
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- Tree cover
- 39%
- Air quality
- 75
- Selayang Baru Utara34.4 km
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- 29%
- Air quality
- 113
- Bandar Tasik Puteri37.1 km
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- 54%
- Air quality
- 66
- Ijok39.7 km
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- Tree cover
- 81%
- Air quality
- 54
- Bukit Rahman Putra40.0 km
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- Tree cover
- 38%
- Air quality
- 63
- Setapak40.4 km
Malaysia
- Tree cover
- 16%
- Air quality
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Frequently asked
Questions about Kuala Kubu Baharu
What is the air quality (AQI) in Kuala Kubu Baharu right now?
The latest reading for Kuala Kubu Baharu shows an AQI of 53 (Moderate), measured Nov 11, 23:00 local time by the Tanjung Malim, Perak, Malaysia ground monitoring station, 20.2 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 Kuala Kubu Baharu today?
At AQI 53 (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 Kuala Kubu Baharu been like this week?
Over the last 7 days, the CAMS air-quality model put Kuala Kubu Baharu's daily AQI at 41 on average, from 30 on Nov 9 to an hourly peak of 80 on Nov 4. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
Is Kuala Kubu Baharu'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 Kuala Kubu Baharu lost since 2001?
Since 2001, the area within 10 km of Kuala Kubu Baharu has lost about 6,790 hectares of forest (about 9,500 football pitches): 24% of the forest it had in 2000. Most of it (91%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss has stayed about the same: about 246 hectares a year in 2021–2025, against 231 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Kuala Kubu Baharu shrank from about 29,200 hectares to 28,400 hectares, a net loss of about 781 hectares (−2.7%). New forest grew on about 708 hectares, but 1,490 hectares were lost.
What is the tree count in Kuala Kubu Baharu?
Kuala Kubu Baharu has an estimated 233,106 trees across the 12.57 km² measured — 74.2% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Kuala Kubu Baharu need?
Kuala Kubu Baharu has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Kuala Kubu Baharu's air quality and tree cover measured?
Air quality is measured by ground monitoring stations near Pekan Kuala Kubu Bharu, 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 Pekan Kuala Kubu Bharu; the tree count is an estimate derived from that cover.
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