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

City report · Nepal

Dharān

Measured across a 2 km radius around Dharan, Koshi Province, Nepal (12.57 km²)

Tree cover
64.5%
Air quality
104Unhealthy for sensitive groups
Trees in this area
203K
More trees needed
0
Area analyzed
12.57 km²
Satellite image
Aug 11, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Aug 11, 2026

Dharān's tree count comes to 202,633 trees across 12.57 km² — already at or above the 35% tree-cover level considered healthy for this area. Air quality currently reads AQI 104 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.

Tree cover detail

Healthy tree cover

64.5% tree cover against a 35% healthy-neighborhood target, across 12.57 km².

Target reached

Trees in this area

202,633

Target trees

202,633

More trees needed

0

CO₂ if planted / yr

0 kg

Air quality detail

AQI 104Unhealthy for sensitive groups

Observed Sep 28, 07:45 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.

Model estimate · no ground station nearby

Health signal

Sensitive groups should limit long or intense outdoor activity.

PM2.5

36.9

PM10

37.7

NO₂

7.7

O₃

69.0

SO₂

4.3

CO

378.0

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

Questions about Dharān

What is the tree count in Dharān?

Dharān has an estimated 202,633 trees across the 12.57 km² measured — 64.5% tree cover, already past the 35% tree-cover target set for this area.

How many more trees does Dharān need?

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

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

The latest reading for Dharān shows an AQI of 104 (Unhealthy for sensitive groups), observed Sep 28, 07:45 local time via Open-Meteo / CAMS, US EPA index. Sensitive groups should limit long or intense outdoor activity.

How is Dharān'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 Dharan; 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.