City report · China · Shandong
Yidu
Measured across a 2 km radius around Qingzhou, Weifang, Shandong, China (12.57 km²)
- Tree cover
- 41.9%
- Air quality
- 82Moderate
- Trees in this area
- 132K
- More trees needed
- 0
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 22, 2026
Yidu's tree count comes to 131,633 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 82 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
41.9% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
131,633
Target trees
131,633
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 82Moderate
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
27.0
PM10
29.7
NO₂
20.3
O₃
101.0
SO₂
23.3
CO
340.0
Frequently asked
Questions about Yidu
What is the tree count in Yidu?
Yidu has an estimated 131,633 trees across the 12.57 km² measured — 41.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Yidu need?
Yidu has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Yidu right now?
The latest reading for Yidu shows an AQI of 82 (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 Yidu'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 Qingzhou; 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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