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Airleaf
Aerial study of a dense urban district organized around a green corridor
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City report · New Zealand

Dunedin

Measured across a 2 km radius around Central Dunedin, Dunedin, New Zealand (12.57 km²)

Tree cover
50.4%
Air quality
14Good
Trees in this area
133K
More trees needed
0
Area analyzed
10.58 km²land, in a 12.57 km² circle
Satellite image
Feb 19, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Feb 19, 2026

Dunedin's tree count comes to 133,319 trees across 10.58 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 14 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Healthy tree cover

50.4% tree cover against a 30% healthy-neighborhood target, across 10.58 km² of land.

Target reached

Trees in this area

133,319

Target trees

133,319

More trees needed

0

CO₂ if planted / yr

0 kg

Air quality detail

AQI 14Good

Observed Sep 29, 02:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.

Ground station · Ferntree Drive, 2.6 km away · median of 3 stations

Health signal

Air quality is satisfactory for everyone.

PM2.5

3.3

PM10

—

NO₂

—

O₃

—

SO₂

—

CO

—

Data: OpenAQ · AirGradient, Aroha Kaikorai Valley

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

Questions about Dunedin

What is the tree count in Dunedin?

Dunedin has an estimated 133,319 trees across the 10.58 km² of land measured — 50.4% tree cover, already past the 30% tree-cover target set for this area.

How many more trees does Dunedin need?

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

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

The latest reading for Dunedin shows an AQI of 14 (Good), measured Sep 29, 02:00 local time by 3 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Ferntree Drive, 2.6 km away). Air quality is satisfactory for everyone.

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