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

City report · Taiwan

Xizhi

Measured across a 2 km radius around New Taipei, Banqiao District, New Taipei City, Taiwan (12.57 km²)

Tree cover
63.3%
Air quality
45Good
Trees in this area
199K
More trees needed
0
Area analyzed
12.57 km²
Satellite image
Jul 20, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Jul 20, 2026

Xizhi's tree count comes to 198,863 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 45 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Healthy tree cover

63.3% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

Target reached

Trees in this area

198,863

Target trees

198,863

More trees needed

0

CO₂ if planted / yr

0 kg

Air quality detail

AQI 45Good

Observed Sep 28, 13:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.

Ground station · Taipei, 7.1 km away

Health signal

Air quality is satisfactory for everyone.

PM2.5

10.7

PM10

—

NO₂

—

O₃

—

SO₂

—

CO

—

Data: OpenAQ · AirGradient, MSP

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

Questions about Xizhi

What is the tree count in Xizhi?

Xizhi has an estimated 198,863 trees across the 12.57 km² measured — 63.3% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Xizhi need?

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

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

The latest reading for Xizhi shows an AQI of 45 (Good), measured Sep 28, 13:00 local time by the Taipei ground monitoring station, 7.1 km away, via OpenAQ. Air quality is satisfactory for everyone.

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