
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
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.
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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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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