Skip to content
Airleaf
Aerial study of a dense urban district organized around a green corridor
All Sri Lanka reports

City report · Sri Lanka

Dehiwala-Mount Lavinia

Measured across a 2 km radius around Watarappala, Dehiwala-Mount Lavinia, Sri Lanka (12.57 km²)

Tree cover
25.7%
Air quality
40Good
Trees in this area
68.2K
More trees needed
11.4K
Area analyzed
10.62 km²land, in a 12.57 km² circle
Satellite image
Sep 11, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 11, 2026

Dehiwala-Mount Lavinia's tree count comes to 68,224 trees across 10.62 km² of land — 4 points below the 30% tree-cover level considered healthy for this area, meaning roughly 11,415 more trees would close the gap. Air quality currently reads AQI 40 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Below target

25.7% tree cover against a 30% healthy-neighborhood target, across 10.62 km² of land.

4 points below target

Trees in this area

68,224

Target trees

79,639

More trees needed

11,415

CO₂ if planted / yr

251.1 t

Air quality detail

AQI 40Good

Observed Sep 28, 08:30 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

9.6

PM10

12.7

NO₂

11.2

O₃

49.0

SO₂

8.7

CO

539.0

In the same region

Measured cities near Dehiwala-Mount Lavinia

Same 2 km radius, same index — so they compare directly.

Build your own

Compare Dehiwala-Mount Lavinia with anywhere

This place

Dehiwala-Mount Lavinia

Use this data

Put Dehiwala-Mount Lavinia's numbers on your site

Free to embed. Updates itself as the measurement refreshes.

Dehiwala-Mount Lavinia tree cover and air quality — measured by Airleaf
HTML
Markdown

Frequently asked

Questions about Dehiwala-Mount Lavinia

What is the tree count in Dehiwala-Mount Lavinia?

Dehiwala-Mount Lavinia has an estimated 68,224 trees across the 10.62 km² of land measured — 25.7% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Dehiwala-Mount Lavinia need?

Dehiwala-Mount Lavinia needs roughly 11,415 more trees to close a 4-point shortfall against its 30% tree-cover target — about 251.1 t of extra CO₂ absorbed per year once grown.

What is the air quality (AQI) in Dehiwala-Mount Lavinia right now?

The latest reading for Dehiwala-Mount Lavinia shows an AQI of 40 (Good), observed Sep 28, 08:30 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.

How is Dehiwala-Mount Lavinia'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 Watarappala; 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.

See your own area

What does your neighborhood look like?

Pick any point and radius to get the same tree-cover and air-quality breakdown.

Check my address
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.