City report · China · Shandong
Xinzhai
Measured across a 2 km radius around Linqu County, Weifang, Shandong, China (12.57 km²)
- Tree cover
- 51.0%
- Air quality
- 78Moderate
- Trees in this area
- 160K
- More trees needed
- 0
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 22, 2026
Xinzhai's tree count comes to 160,221 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 78 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
51.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
160,221
Target trees
160,221
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 78Moderate
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
25.0
PM10
27.3
NO₂
5.0
O₃
109.0
SO₂
5.7
CO
228.0
Frequently asked
Questions about Xinzhai
What is the tree count in Xinzhai?
Xinzhai has an estimated 160,221 trees across the 12.57 km² measured — 51.0% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Xinzhai need?
Xinzhai has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Xinzhai right now?
The latest reading for Xinzhai shows an AQI of 78 (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 Xinzhai'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 Linqu 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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