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

City report · Ghana

Ashaiman

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

Tree cover
6.3%
Air quality
79Moderate
Trees in this area
19.8K
More trees needed
74.5K
Area analyzed
12.57 km²
Satellite image
May 12, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured May 12, 2026

Ashaiman's tree count comes to 19,792 trees across 12.57 km² — 24 points below the 30% tree-cover level considered healthy for this area, meaning roughly 74,456 more trees would close the gap. Air quality currently reads AQI 79 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

Tree cover detail

Critically low

6.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

24 points below target

Trees in this area

19,792

Target trees

94,248

More trees needed

74,456

CO₂ if planted / yr

1,638 t

Air quality detail

AQI 79Moderate

Observed Sep 28, 15:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.

Ground station · Divine healer's Church, Bethlehem, 2.8 km away · median of 5 stations

Health signal

Unusually sensitive people should consider limiting long outdoor exertion.

PM2.5

25.6

PM10

—

NO₂

—

O₃

—

SO₂

—

CO

—

Data: OpenAQ · AirGradient, EPA Ghana

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Ashaiman tree cover and air quality — measured by Airleaf
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Frequently asked

Questions about Ashaiman

What is the tree count in Ashaiman?

Ashaiman has an estimated 19,792 trees across the 12.57 km² measured — 6.3% tree cover, 24 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Ashaiman need?

Ashaiman needs roughly 74,456 more trees to close a 24-point shortfall against its 30% tree-cover target — about 1,638 t of extra CO₂ absorbed per year once grown.

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

The latest reading for Ashaiman shows an AQI of 79 (Moderate), measured Sep 28, 15:00 local time by 5 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Divine healer's Church, Bethlehem, 2.8 km away). Unusually sensitive people should consider limiting long outdoor exertion.

How is Ashaiman'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 Ashaiman; the tree count is an estimate derived from that cover. Air quality is measured by ground monitoring stations near Ashaiman, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate.

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Methodology. Tree cover is measured from Sentinel-2 L2A (ESA Copernicus) via Earth Search imagery at 10 m detail for the stated radius; the tree count is an estimate derived from that cover. Air quality is measured by ground monitoring stations near Ashaiman, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate.