Airleaf
Aerial study of a dense urban district organized around a green corridor
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City report · North Korea · North Hwanghae

Sariwŏn-si

Measured across a 2 km radius around Sariwon, North Hwanghae, North Korea (12.57 km²)

Tree cover
22.2%
Air quality
79Moderate
Trees in this area
69.4K
More trees needed
24.4K
Area analyzed
12.51 km²land, in a 12.57 km² circle
Satellite image
Sep 26, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 26, 2026

Sariwŏn-si's tree count comes to 69,395 trees across 12.51 km² of land — 8 points below the 30% tree-cover level considered healthy for this area, meaning roughly 24,382 more trees would close the gap. Air quality currently reads AQI 79 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.

Tree cover detail

Below target

22.2% tree cover against a 30% healthy-neighborhood target, across 12.51 km² of land.

8 points below target

Trees in this area

69,395

Target trees

93,777

More trees needed

24,382

CO₂ if planted / yr

536.4 t

Air quality detail

AQI 79Moderate

Observed Sep 27, 12:00 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

13.5

PM10

19.3

NO₂

1.1

O₃

125.0

SO₂

7.3

CO

197.0

Frequently asked

Questions about Sariwŏn-si

What is the tree count in Sariwŏn-si?

Sariwŏn-si has an estimated 69,395 trees across the 12.51 km² of land measured — 22.2% tree cover, 8 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Sariwŏn-si need?

Sariwŏn-si needs roughly 24,382 more trees to close a 8-point shortfall against its 30% tree-cover target — about 536.4 t of extra CO₂ absorbed per year once grown.

What is the air quality (AQI) in Sariwŏn-si right now?

The latest reading for Sariwŏn-si shows an AQI of 79 (Moderate), observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.

How is Sariwŏn-si'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 Sariwon; 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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