City report · China · Heilongjiang
Hengshan
Measured across a 2 km radius around Hengshan District, Jixi, Jixi, Heilongjiang, China (12.57 km²)
- Tree cover
- 68.1%
- Air quality
- 40Good
- Trees in this area
- 214K
- More trees needed
- 0
- Area analyzed
- 12.56 km²land, in a 12.57 km² circle
- Satellite image
- Sep 25, 2026
Hengshan's tree count comes to 213,729 trees across 12.56 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 40 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
68.1% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
213,729
Target trees
213,729
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 40Good
Observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.3
PM10
3.6
NO₂
1.2
O₃
85.0
SO₂
1.1
CO
140.0
Frequently asked
Questions about Hengshan
What is the tree count in Hengshan?
Hengshan has an estimated 213,729 trees across the 12.56 km² of land measured — 68.1% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Hengshan need?
Hengshan has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Hengshan right now?
The latest reading for Hengshan shows an AQI of 40 (Good), observed Sep 27, 12:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Hengshan'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 Hengshan District; 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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