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

City report · Taiwan

Nantou

Measured across a 2 km radius around Nantou, Taiwan (12.57 km²)

Tree cover
61.7%
Air quality
60Moderate
Trees in this area
194K
More trees needed
0
Area analyzed
12.57 km²
Satellite image
Sep 6, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 6, 2026

Nantou's tree count comes to 193,836 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 60 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

Tree cover detail

Healthy tree cover

61.7% tree cover against a 30% healthy-neighborhood target, across 12.57 km².

Target reached

Trees in this area

193,836

Target trees

193,836

More trees needed

0

CO₂ if planted / yr

0 kg

Air quality detail

AQI 60Moderate

Observed Sep 28, 11:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.

Model estimate · no ground station nearby

Health signal

Unusually sensitive people should consider limiting long outdoor exertion.

PM2.5

16.6

PM10

18.9

NO₂

11.4

O₃

118.0

SO₂

32.0

CO

172.0

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

Questions about Nantou

What is the tree count in Nantou?

Nantou has an estimated 193,836 trees across the 12.57 km² measured — 61.7% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Nantou need?

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

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

The latest reading for Nantou shows an AQI of 60 (Moderate), observed Sep 28, 11:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.

How is Nantou'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 Nantou; 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.

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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 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.