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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

Tsing Yi Town

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

Tree cover
54.5%
Air quality
28Good
Trees in this area
134K
More trees needed
0
Area analyzed
9.85 km²land, in a 12.57 km² circle
Satellite image
Aug 16, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Aug 16, 2026

Tsing Yi Town's tree count comes to 134,234 trees across 9.85 km² of land — 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

54.5% tree cover against a 30% healthy-neighborhood target, across 9.85 km² of land.

Target reached

Trees in this area

134,234

Target trees

134,234

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, 11.3 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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Tsing Yi Town tree cover and air quality — measured by Airleaf
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Frequently asked

Questions about Tsing Yi Town

What is the tree count in Tsing Yi Town?

Tsing Yi Town has an estimated 134,234 trees across the 9.85 km² of land measured — 54.5% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Tsing Yi Town need?

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

What is the air quality (AQI) in Tsing Yi Town right now?

The latest reading for Tsing Yi Town shows an AQI of 28 (Good), measured Sep 28, 08:00 local time by the Kennedy Road, Wanchai ground monitoring station, 11.3 km away, via OpenAQ. Air quality is satisfactory for everyone.

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