Tongzhou
Measured across a 2 km radius around Tongzhou, Beijing, China (12.57 km²)
- Tree cover
- 12.3%
- Air quality
- 59Moderate
- Trees in this area
- 37.6K
- More trees needed
- 54.1K
- Area analyzed
- 12.23 km²land, in a 12.57 km² circle
- Satellite image
- Sep 23, 2026
Tongzhou's tree count comes to 37,598 trees across 12.23 km² of land — 18 points below the 30% tree-cover level considered healthy for this area, meaning roughly 54,105 more trees would close the gap. Air quality currently reads AQI 59 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
12.3% tree cover against a 30% healthy-neighborhood target, across 12.23 km² of land.
Trees in this area
37,598
Target trees
91,703
More trees needed
54,105
CO₂ if planted / yr
1,190 t
Air quality detail
AQI 59Moderate
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
15.8
PM10
27.5
NO₂
10.9
O₃
96.0
SO₂
2.6
CO
359.0
Frequently asked
Questions about Tongzhou
What is the tree count in Tongzhou?
Tongzhou has an estimated 37,598 trees across the 12.23 km² of land measured — 12.3% tree cover, 18 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Tongzhou need?
Tongzhou needs roughly 54,105 more trees to close a 18-point shortfall against its 30% tree-cover target — about 1,190 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Tongzhou right now?
The latest reading for Tongzhou shows an AQI of 59 (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 Tongzhou'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 Tongzhou; 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