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

City report · Portugal

Setúbal

Measured across a 2 km radius around Setúbal, Portugal (12.57 km²)

Tree cover
17.5%
Air quality
45Good
Trees in this area
39.6K
More trees needed
28.3K
Area analyzed
9.05 km²land, in a 12.57 km² circle
Satellite image
Sep 20, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 20, 2026

Setúbal's tree count comes to 39,584 trees across 9.05 km² of land — 13 points below the 30% tree-cover level considered healthy for this area, meaning roughly 28,274 more trees would close the gap. Air quality currently reads AQI 45 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Critically low

17.5% tree cover against a 30% healthy-neighborhood target, across 9.05 km² of land.

13 points below target

Trees in this area

39,584

Target trees

67,858

More trees needed

28,274

CO₂ if planted / yr

622.0 t

Air quality detail

AQI 45Good

Observed Sep 28, 05:00 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

10.9

PM10

17.6

NO₂

7.7

O₃

43.0

SO₂

1.5

CO

128.0

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

Questions about Setúbal

What is the tree count in Setúbal?

Setúbal has an estimated 39,584 trees across the 9.05 km² of land measured — 17.5% tree cover, 13 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Setúbal need?

Setúbal needs roughly 28,274 more trees to close a 13-point shortfall against its 30% tree-cover target — about 622.0 t of extra CO₂ absorbed per year once grown.

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

The latest reading for Setúbal shows an AQI of 45 (Good), observed Sep 28, 05:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.

How is Setúbal'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 Setúbal; 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.