City report · Timor Leste
Maliana Air quality today
Air quality in Maliana currently reads AQI 53 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
AQI 53
Air quality right now
Moderate
- PM2.5, fine particles (µg/m³)
- 10.7
- tree cover
- 32.2%
- trees in this area
- 101K
- more trees needed
- 0
Measured across a 2 km radius around Maliana, Timor-Leste (12.57 km²), from a satellite image of Sep 16, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Maliana · AQI 53 (Moderate)
Maliana's tree count comes to 101,159 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 Maliana today: AQI 53, Moderate
Main pollutant: PM2.5 · Observed Nov 11, 16:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.7
PM10
13.2
NO₂
0.8
O₃
64.0
SO₂
0.6
CO
173.0
- 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 Maliana's daily AQI at 64 on average, from 54 on Nov 11 to an hourly peak of 116 on Nov 7.
Where Maliana stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Maliana: Healthy tree cover
32.2% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
101,159
Target trees
101,159
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Maliana lost?
Since 2001, the area within 10 km of Maliana has lost about 383 hectares of forest (about 540 football pitches): 3.8% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.
2017: satellite photo from August 2017 of a 5 × 5 km area about 6 km northeast of the city center.
- Forest lost since 2001
- 383 haabout 540 football pitches
- Share of its forest
- 3.8%of what there was in 2000
- Cleared for good
- 369 hadeforestation: turned into farms, mines or towns
The worst year was 2014, when about 52 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 | 3 ha | 1 ha | 4 ha |
| 2002 | 2 ha | under 1 ha | 2 ha |
| 2003 | 4 ha | under 1 ha | 5 ha |
| 2004 | 7 ha | under 1 ha | 7 ha |
| 2005 | 2 ha | under 1 ha | 2 ha |
| 2006 | 6 ha | under 1 ha | 6 ha |
| 2007 | 8 ha | under 1 ha | 9 ha |
| 2008 | 5 ha | 1 ha | 6 ha |
| 2009 | 1 ha | under 1 ha | 2 ha |
| 2010 | 2 ha | under 1 ha | 2 ha |
| 2011 | 30 ha | 2 ha | 32 ha |
| 2012 | 8 ha | under 1 ha | 9 ha |
| 2013 | 4 ha | under 1 ha | 4 ha |
| 2014 | 50 ha | 2 ha | 52 ha |
| 2015 | 13 ha | under 1 ha | 13 ha |
| 2016 | 4 ha | under 1 ha | 4 ha |
| 2017 | 41 ha | under 1 ha | 42 ha |
| 2018 | 17 ha | under 1 ha | 17 ha |
| 2019 | 27 ha | under 1 ha | 27 ha |
| 2020 | 22 ha | 1 ha | 23 ha |
| 2021 | 13 ha | under 1 ha | 14 ha |
| 2022 | 30 ha | under 1 ha | 30 ha |
| 2023 | 46 ha | under 1 ha | 47 ha |
| 2024 | 13 ha | under 1 ha | 13 ha |
| 2025 | 14 ha | under 1 ha | 14 ha |
What is causing deforestation around Maliana?
- Farms, pasture and plantationscleared for good94% · 361 ha
- Mining and energycleared for good1.4% · 5 ha
- Unknown causescause unknown3.1% · 12 ha
Also: towns and roads, storms, floods and other natural 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
- 19,000 ha
- Forest in 2020
- 18,700 ha
- Overall change
- −245 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Maliana stayed about the same size, at about 18,700 hectares: new forest grew on about 131 hectares, and about 375 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 Maliana
What is the air quality (AQI) in Maliana right now?
The latest reading for Maliana shows an AQI of 53 (Moderate), observed Nov 11, 16:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Unusually sensitive people should consider limiting long outdoor exertion.
Is it safe to exercise outside in Maliana 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 Maliana been like this week?
Over the last 7 days, the CAMS air-quality model put Maliana's daily AQI at 64 on average, from 54 on Nov 11 to an hourly peak of 116 on Nov 7. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Maliana lost since 2001?
Since 2001, the area within 10 km of Maliana has lost about 383 hectares of forest (about 540 football pitches): 3.8% of the forest it had in 2000. Most of it (96%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Comparing satellite maps from 2000 and 2020, the forest around Maliana stayed about the same size, at about 18,700 hectares: new forest grew on about 131 hectares, and about 375 hectares were lost.
What is the tree count in Maliana?
Maliana has an estimated 101,159 trees across the 12.57 km² measured — 32.2% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Maliana need?
Maliana has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Maliana's air quality and tree cover measured?
Air quality comes from ground monitoring stations via OpenAQ where one reports nearby, and otherwise, as here, from the Open-Meteo / CAMS model, which may differ from street-level monitors. 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 Maliana; the tree count is an estimate derived from that cover.
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