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

City report · Guinea

Siguiri

Measured across a 2 km radius around Siguiri, Guinea (12.57 km²)

Tree cover
19.0%
Air quality
39Good
Trees in this area
59.0K
More trees needed
34.1K
Area analyzed
12.42 km²land, in a 12.57 km² circle
Satellite image
Jul 3, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Jul 3, 2026

Siguiri's tree count comes to 58,974 trees across 12.42 km² of land — 11 points below the 30% tree-cover level considered healthy for this area, meaning roughly 34,143 more trees would close the gap. Air quality currently reads AQI 39 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Below target

19.0% tree cover against a 30% healthy-neighborhood target, across 12.42 km² of land.

11 points below target

Trees in this area

58,974

Target trees

93,117

More trees needed

34,143

CO₂ if planted / yr

751.1 t

Air quality detail

AQI 39Good

Observed Sep 28, 03:00 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

15.8

NO₂

1.4

O₃

50.0

SO₂

0.2

CO

132.0

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

Questions about Siguiri

What is the tree count in Siguiri?

Siguiri has an estimated 58,974 trees across the 12.42 km² of land measured — 19.0% tree cover, 11 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Siguiri need?

Siguiri needs roughly 34,143 more trees to close a 11-point shortfall against its 30% tree-cover target — about 751.1 t of extra CO₂ absorbed per year once grown.

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

The latest reading for Siguiri shows an AQI of 39 (Good), observed Sep 28, 03:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.

How is Siguiri'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 Siguiri; 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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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 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.