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Airleaf
Aerial study of a dense urban district organized around a green corridor
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City report · Hong Kong

Fanling

Measured across a 2 km radius around Fanling, New Territories, Hong Kong (12.57 km²)

Tree cover
56.1%
Air quality
28Good
Trees in this area
176K
More trees needed
0
Area analyzed
12.57 km²
Satellite image
Aug 8, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Aug 8, 2026

Fanling's tree count comes to 176,243 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 28 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Healthy tree cover

56.1% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

Target reached

Trees in this area

176,243

Target trees

176,243

More trees needed

0

CO₂ if planted / yr

0 kg

Air quality detail

AQI 28Good

Observed Sep 28, 08:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.

Ground station · Kennedy Road, Wanchai, 24.8 km away

Health signal

Air quality is satisfactory for everyone.

PM2.5

6.6

PM10

—

NO₂

—

O₃

—

SO₂

—

CO

—

Data: OpenAQ · AirGradient

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

Questions about Fanling

What is the tree count in Fanling?

Fanling has an estimated 176,243 trees across the 12.57 km² measured — 56.1% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Fanling need?

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

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

The latest reading for Fanling shows an AQI of 28 (Good), measured Sep 28, 08:00 local time by the Kennedy Road, Wanchai ground monitoring station, 24.8 km away, via OpenAQ. Air quality is satisfactory for everyone.

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