Yima
Measured across a 2 km radius around Yima, Henan, Sanmenxia, Henan, China (12.57 km²)
- Tree cover
- 59.7%
- Air quality
- 124Unhealthy for sensitive groups
- Trees in this area
- 187K
- More trees needed
- 0
- Area analyzed
- 12.52 km²land, in a 12.57 km² circle
- Satellite image
- Sep 3, 2026
Yima's tree count comes to 186,803 trees across 12.52 km² of land — already at or above the 35% tree-cover level considered healthy for this area. Air quality currently reads AQI 124 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Tree cover detail
Healthy tree cover
59.7% tree cover against a 35% healthy-neighborhood target, across 12.52 km² of land.
Trees in this area
186,803
Target trees
186,803
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 124Unhealthy 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
44.8
PM10
46.7
NO₂
6.0
O₃
126.0
SO₂
9.1
CO
465.0
Frequently asked
Questions about Yima
What is the tree count in Yima?
Yima has an estimated 186,803 trees across the 12.52 km² of land measured — 59.7% tree cover, already past the 35% tree-cover target set for this area.
How many more trees does Yima need?
Yima has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Yima right now?
The latest reading for Yima shows an AQI of 124 (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 Yima'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 Yima; 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