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

City report · Sweden

Västerås

Measured across a 2 km radius around Västerås, Sweden (12.57 km²)

Tree cover
50.6%
Air quality
30Good
Trees in this area
148K
More trees needed
0
Area analyzed
11.74 km²land, in a 12.57 km² circle
Satellite image
Sep 24, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 24, 2026

Västerås's tree count comes to 148,473 trees across 11.74 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 30 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Healthy tree cover

50.6% tree cover against a 30% healthy-neighborhood target, across 11.74 km² of land.

Target reached

Trees in this area

148,473

Target trees

148,473

More trees needed

0

CO₂ if planted / yr

0 kg

Air quality detail

AQI 30Good

Observed Sep 28, 11:00 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

7.1

PM10

10.7

NO₂

2.0

O₃

69.0

SO₂

2.9

CO

171.0

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

Questions about Västerås

What is the tree count in Västerås?

Västerås has an estimated 148,473 trees across the 11.74 km² of land measured — 50.6% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Västerås need?

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

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

The latest reading for Västerås shows an AQI of 30 (Good), observed Sep 28, 11:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.

How is Västerås'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 Västerås; 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.