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

City report · Senegal

Diourbel

Measured across a 2 km radius around Diourbel, Senegal (12.57 km²)

Tree cover
33.3%
Air quality
18Good
Trees in this area
105K
More trees needed
0
Area analyzed
12.57 km²
Satellite image
Sep 18, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 18, 2026

Diourbel's tree count comes to 104,615 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 18 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Healthy tree cover

33.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

Target reached

Trees in this area

104,615

Target trees

104,615

More trees needed

0

CO₂ if planted / yr

0 kg

Air quality detail

AQI 18Good

Observed Sep 28, 03:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.

Ground station · Ecole Notre Dame des Victoires ,Diourbel, 1.5 km away

Health signal

Air quality is satisfactory for everyone.

PM2.5

4.3

PM10

—

NO₂

—

O₃

—

SO₂

—

CO

—

Data: OpenAQ · AirGradient, kaikai.dev

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

Questions about Diourbel

What is the tree count in Diourbel?

Diourbel has an estimated 104,615 trees across the 12.57 km² measured — 33.3% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Diourbel need?

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

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

The latest reading for Diourbel shows an AQI of 18 (Good), measured Sep 28, 03:00 local time by the Ecole Notre Dame des Victoires ,Diourbel ground monitoring station, 1.5 km away, via OpenAQ. Air quality is satisfactory for everyone.

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