
City report · Ghana
Koforidua
Measured across a 2 km radius around Koforidua Central Business District, Koforidua, Ghana (12.57 km²)
- Tree cover
- 42.9%
- Air quality
- 26Good
- Trees in this area
- 135K
- More trees needed
- 0
- Area analyzed
- 12.57 km²
- Satellite image
- May 30, 2026
Koforidua's tree count comes to 134,774 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 26 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
42.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
134,774
Target trees
134,774
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 26Good
Observed Sep 28, 15:05 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Koforidua_ANUC, 5 km away
Health signal
Air quality is satisfactory for everyone.
PM2.5
6.3
PM10
—
NO₂
—
O₃
—
SO₂
—
CO
—
Data: OpenAQ · Clarity
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Frequently asked
Questions about Koforidua
What is the tree count in Koforidua?
Koforidua has an estimated 134,774 trees across the 12.57 km² measured — 42.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Koforidua need?
Koforidua has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Koforidua right now?
The latest reading for Koforidua shows an AQI of 26 (Good), measured Sep 28, 15:05 local time by the Koforidua_ANUC ground monitoring station, 5 km away, via OpenAQ. Air quality is satisfactory for everyone.
How is Koforidua'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 Koforidua Central Business District; the tree count is an estimate derived from that cover. Air quality is measured by ground monitoring stations near Koforidua Central Business District, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate.
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