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Airleaf
Aerial study of a dense urban district organized around a green corridor
All Ghana reports

City report · Ghana

Obuase

Measured across a 2 km radius around Obuasi, Ghana (12.57 km²)

Tree cover
41.1%
Air quality
37Good
Trees in this area
129K
More trees needed
0
Area analyzed
12.57 km²
Satellite image
Oct 2, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Oct 2, 2026

Obuase's tree count comes to 129,119 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 37 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Tree cover in Obuase: Healthy tree cover

41.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

Target reached

Trees in this area

129,119

Target trees

129,119

More trees needed

0

CO₂ if planted / yr

0 kg

Air quality detail

Air quality in Obuase today: AQI 37, Good

Observed Oct 19, 06:00 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

8.0

PM10

12.5

NO₂

11.5

O₃

33.0

SO₂

1.8

CO

134.0

Deforestation · 2001–2025

How much forest has Obuase lost?

Since 2001, the area within 10 km of Obuase has lost about 8,610 hectares of forest (about 12,000 football pitches): 34% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations.

Satellite image of the area around Obuase, January 2017

2017: satellite photo from January 2017 of a 5 × 5 km area about 7 km west of the city centre.

Forest lost since 2001
8,610 haabout 12,000 football pitches
Share of its forest
34%of what there was in 2000
Cleared for good
8,610 hadeforestation: turned into farms, mines or towns

Forest loss has stayed about the same: about 672 hectares a year in 2021–2025, against 542 hectares a year in 2016–2020. The worst year was 2021, when about 947 hectares of forest were lost.

Forest lost each year around Obuase, 2001–2025

Hectares of forest lost each year

Forest lost each year around Obuase, 2001–2025. Use the left and right arrow keys to read each year.947

Show the figures as a table
Forest lost each year around Obuase, 2001–2025
YearCleared for goodCan grow backTotal
200186 haunder 1 ha87 ha
2002456 haunder 1 ha456 ha
200366 haunder 1 ha66 ha
200433 haunder 1 ha33 ha
200561 haunder 1 ha61 ha
200645 haunder 1 ha45 ha
200787 haunder 1 ha87 ha
200834 haunder 1 ha34 ha
2009122 haunder 1 ha122 ha
201054 haunder 1 ha54 ha
2011138 haunder 1 ha138 ha
201227 haunder 1 ha27 ha
2013292 haunder 1 ha292 ha
2014765 haunder 1 ha765 ha
2015281 haunder 1 ha281 ha
2016485 haunder 1 ha485 ha
2017348 haunder 1 ha348 ha
2018508 haunder 1 ha508 ha
2019545 haunder 1 ha545 ha
2020822 haunder 1 ha822 ha
2021947 haunder 1 ha947 ha
2022898 haunder 1 ha898 ha
2023546 haunder 1 ha546 ha
2024490 haunder 1 ha490 ha
2025478 haunder 1 ha478 ha

What is causing deforestation around Obuase?

  • Farms, pasture and plantationscleared for good53% · 4,550 ha
  • Mining and energycleared for good34% · 2,940 ha
  • Towns and roadscleared for good13% · 1,130 ha

Also: shifting farming.

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
21,000 ha
Forest in 2020
21,400 ha
Overall change
+325 hamore forest than in 2000

Comparing satellite maps from 2000 and 2020, the forest around Obuase stayed about the same size, at about 21,400 hectares: new forest grew on about 2,070 hectares, and about 1,750 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 centre, 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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Obuase tree cover and air quality — measured by Airleaf
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Frequently asked

Questions about Obuase

What is the tree count in Obuase?

Obuase has an estimated 129,119 trees across the 12.57 km² measured — 41.1% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Obuase need?

Obuase has already reached its tree-cover target, so no additional trees are needed to close the gap.

What is the air quality (AQI) in Obuase right now?

The latest reading for Obuase shows an AQI of 37 (Good), observed Oct 19, 06:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.

How much forest has the area around Obuase lost since 2001?

Since 2001, the area within 10 km of Obuase has lost about 8,610 hectares of forest (about 12,000 football pitches): 34% of the forest it had in 2000. Most of it (over 99%) was deforestation, forest cleared for good, mainly for farms, pasture and plantations. Forest loss has stayed about the same: about 672 hectares a year in 2021–2025, against 542 hectares a year in 2016–2020. Comparing satellite maps from 2000 and 2020, the forest around Obuase stayed about the same size, at about 21,400 hectares: new forest grew on about 2,070 hectares, and about 1,750 hectares were lost.

How is Obuase's tree cover and air quality measured?

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 Obuasi; the tree count is an estimate derived from that cover. 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.

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