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

City report · China · Jiangxi

Jianchang

Measured across a 2 km radius around Nancheng County, Fuzhou, Jiangxi, China (12.57 km²)

Tree cover
20.4%
Air quality
123Unhealthy for sensitive groups
Trees in this area
56.3K
More trees needed
40.3K
Area analyzed
11.04 km²land, in a 12.57 km² circle
Satellite image
Sep 24, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 24, 2026

Jianchang's tree count comes to 56,270 trees across 11.04 km² of land — 15 points below the 35% tree-cover level considered healthy for this area, meaning roughly 40,271 more trees would close the gap. Air quality currently reads AQI 123 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.

Tree cover detail

Critically low

20.4% tree cover against a 35% healthy-neighborhood target, across 11.04 km² of land.

15 points below target

Trees in this area

56,270

Target trees

96,541

More trees needed

40,271

CO₂ if planted / yr

886.0 t

Air quality detail

AQI 123Unhealthy for sensitive groups

Observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.

Health signal

Sensitive groups should limit long or intense outdoor activity.

PM2.5

17.9

PM10

18.5

NO₂

0.5

O₃

152.0

SO₂

3.8

CO

273.0

Frequently asked

Questions about Jianchang

What is the tree count in Jianchang?

Jianchang has an estimated 56,270 trees across the 11.04 km² of land measured — 20.4% tree cover, 15 percentage points short of the 35% tree-cover target set for this area.

How many more trees does Jianchang need?

Jianchang needs roughly 40,271 more trees to close a 15-point shortfall against its 35% tree-cover target — about 886.0 t of extra CO₂ absorbed per year once grown.

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

The latest reading for Jianchang shows an AQI of 123 (Unhealthy for sensitive groups), observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Sensitive groups should limit long or intense outdoor activity.

How is Jianchang'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 Nancheng County; 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.

See your own area

What does your neighborhood look like?

Pick any point and radius to get the same tree-cover and air-quality breakdown.

Check my address