City report · China · Chongqing
Sanhe, Chongqing
Measured across a 2 km radius around Fengdu County, Chongqing, China (12.57 km²)
- Tree cover
- 46.4%
- Air quality
- 109Unhealthy for sensitive groups
- Trees in this area
- 110K
- More trees needed
- 0
- Area analyzed
- 9.52 km²land, in a 12.57 km² circle
- Satellite image
- Sep 9, 2026
Sanhe, Chongqing's tree count comes to 110,348 trees across 9.52 km² of land — already at or above the 35% tree-cover level considered healthy for this area. Air quality currently reads AQI 109 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Tree cover detail
Healthy tree cover
46.4% tree cover against a 35% healthy-neighborhood target, across 9.52 km² of land.
Trees in this area
110,348
Target trees
110,348
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 109Unhealthy 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
37.8
PM10
38.3
NO₂
8.5
O₃
144.0
SO₂
11.5
CO
275.0
Frequently asked
Questions about Sanhe, Chongqing
What is the tree count in Sanhe, Chongqing?
Sanhe, Chongqing has an estimated 110,348 trees across the 9.52 km² of land measured — 46.4% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Sanhe, Chongqing need?
Sanhe, Chongqing has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Sanhe, Chongqing right now?
The latest reading for Sanhe, Chongqing shows an AQI of 109 (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 Sanhe, Chongqing'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 Fengdu 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.
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