City report · South Korea · Gangwon-do
Donghae City
Measured across a 2 km radius around Hyangno 2-gil, Donghae-si, Gangwon-do, South Korea (12.57 km²)
- Tree cover
- 62.8%
- Air quality
- 98Moderate
- Trees in this area
- 153K
- More trees needed
- 0
- Area analyzed
- 9.72 km²land, in a 12.57 km² circle
- Satellite image
- Sep 15, 2026
Donghae City's tree count comes to 152,507 trees across 9.72 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 98 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
62.8% tree cover against a 30% healthy-neighborhood target, across 9.72 km² of land.
Trees in this area
152,507
Target trees
152,507
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 98Moderate
Observed Sep 27, 13:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
8.3
PM10
10.3
NO₂
2.4
O₃
136.0
SO₂
7.7
CO
189.0
Frequently asked
Questions about Donghae City
What is the tree count in Donghae City?
Donghae City has an estimated 152,507 trees across the 9.72 km² of land measured — 62.8% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Donghae City need?
Donghae City has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Donghae City right now?
The latest reading for Donghae City shows an AQI of 98 (Moderate), observed Sep 27, 13:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Donghae City'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 Hyangno 2-gil; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS, US EPA index and may differ from street-level monitors.
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