City report · Liberia
Ganta Air quality today
Air quality in Ganta currently reads AQI 48 (Good): Air quality is satisfactory for everyone.
Air quality right now
AQI 48
Good
- PM2.5, fine particles (µg/m³)
- 9.4
- tree cover
- 43.4%
- trees in this area
- 136K
- more trees needed
- 0
Measured across a 1.2 mi (2 km) radius around Ganta, Liberia (4.9 sq mi), from a satellite image of Jan 9, 2026. Lower AQI is better: 0–50 is Good, above 300 is Hazardous.
Ganta · AQI 48 (Good)
Ganta's tree count comes to 136,345 trees across 4.9 sq mi (12.57 km²), already at or above the 30% tree-cover level considered healthy for this area.
Air quality detail
Air quality in Ganta today: AQI 48, Good
Main pollutant: PM2.5 · Observed Nov 10, 15:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Model estimate · no ground station nearby
Health signal
Air quality is satisfactory for everyone.
PM2.5
9.4
PM10
16.5
NO₂
0.8
O₃
83.0
SO₂
0.4
CO
180.0
- 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 Ganta's daily AQI at 56 on average, from 46 on Nov 4 to an hourly peak of 104 on Nov 6.
Where Ganta stands: the most polluted cities in the world right now · the cleanest
Tree cover detail
Tree cover in Ganta: Healthy tree cover
43.4% tree cover against a 30% healthy-neighborhood target, across 4.9 sq mi (12.57 km²).
Trees in this area
136,345
Target trees
136,345
More trees needed
0
CO₂ if planted / yr
0 kg
Deforestation · 2001–2025
How much forest has Ganta lost?
Since 2001, the area within 10 km of Ganta has lost about 7,820 hectares of forest (about 11,000 football pitches): 28% of the forest it had in 2000. Most of it (99%) 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 southwest of the city center.
- Forest lost since 2001
- 7,820 haabout 11,000 football pitches
- Share of its forest
- 28%of what there was in 2000
- Cleared for good
- 7,700 hadeforestation: turned into farms, mines or towns
Forest loss is slowing down: about 352 hectares a year in 2021–2025, down from 534 hectares a year in 2016–2020. The worst year was 2020, when about 658 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 | 90 ha | under 1 ha | 90 ha |
| 2002 | 464 ha | 2 ha | 466 ha |
| 2003 | 112 ha | under 1 ha | 112 ha |
| 2004 | 15 ha | under 1 ha | 15 ha |
| 2005 | 169 ha | under 1 ha | 169 ha |
| 2006 | 231 ha | under 1 ha | 231 ha |
| 2007 | 304 ha | under 1 ha | 304 ha |
| 2008 | 76 ha | under 1 ha | 76 ha |
| 2009 | 99 ha | under 1 ha | 100 ha |
| 2010 | 18 ha | under 1 ha | 18 ha |
| 2011 | 174 ha | under 1 ha | 174 ha |
| 2012 | 258 ha | 1 ha | 259 ha |
| 2013 | 518 ha | 3 ha | 521 ha |
| 2014 | 364 ha | 5 ha | 369 ha |
| 2015 | 477 ha | 6 ha | 483 ha |
| 2016 | 480 ha | 5 ha | 485 ha |
| 2017 | 522 ha | 4 ha | 526 ha |
| 2018 | 528 ha | 10 ha | 538 ha |
| 2019 | 458 ha | 4 ha | 462 ha |
| 2020 | 651 ha | 7 ha | 658 ha |
| 2021 | 220 ha | 11 ha | 231 ha |
| 2022 | 367 ha | 21 ha | 388 ha |
| 2023 | 254 ha | 12 ha | 266 ha |
| 2024 | 465 ha | 11 ha | 476 ha |
| 2025 | 388 ha | 12 ha | 400 ha |
What is causing deforestation around Ganta?
- Farms, pasture and plantationscleared for good88% · 6,890 ha
- Towns and roadscleared for good10% · 812 ha
- Shifting farmingcan grow back1.5% · 118 ha
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
- 28,900 ha
- Forest in 2020
- 26,900 ha
- Overall change
- −1,930 haless forest than in 2000
Comparing satellite maps from 2000 and 2020, the forest around Ganta shrank from about 28,900 hectares to 26,900 hectares, a net loss of about 1,930 hectares (−6.7%). New forest grew on about 1,040 hectares, but 2,970 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 Ganta
What is the air quality (AQI) in Ganta right now?
The latest reading for Ganta shows an AQI of 48 (Good), observed Nov 10, 15:00 local time via Open-Meteo / CAMS, US EPA index. The main pollutant is PM2.5. Air quality is satisfactory for everyone.
Is it safe to exercise outside in Ganta today?
At AQI 48 (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 Ganta been like this week?
Over the last 7 days, the CAMS air-quality model put Ganta's daily AQI at 56 on average, from 46 on Nov 4 to an hourly peak of 104 on Nov 6. No day averaged above 100, the level where the air turns unhealthy for sensitive groups.
How much forest has the area around Ganta lost since 2001?
Since 2001, the area within 10 km of Ganta has lost about 7,820 hectares of forest (about 11,000 football pitches): 28% of the forest it had in 2000. Most of it (99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss is slowing down: about 352 hectares a year in 2021–2025, down from 534 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Ganta shrank from about 28,900 hectares to 26,900 hectares, a net loss of about 1,930 hectares (−6.7%). New forest grew on about 1,040 hectares, but 2,970 hectares were lost.
What is the tree count in Ganta?
Ganta has an estimated 136,345 trees across the 4.9 sq mi (12.57 km²) measured — 43.4% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Ganta need?
Ganta has already reached its tree-cover target, so no additional trees are needed to close the gap.
How are Ganta'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 1.2 mi (2 km) radius around Ganta; the tree count is an estimate derived from that cover.
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