City report · China · Shandong
Changle
Measured across a 2 km radius around Changle County, Weifang, Shandong, China (12.57 km²)
- Tree cover
- 25.9%
- Air quality
- 82Moderate
- Trees in this area
- 79.8K
- More trees needed
- 12.6K
- Area analyzed
- 12.33 km²land, in a 12.57 km² circle
- Satellite image
- Sep 22, 2026
Changle's tree count comes to 79,821 trees across 12.33 km² of land — 4 points below the 30% tree-cover level considered healthy for this area, meaning roughly 12,636 more trees would close the gap. Air quality currently reads AQI 82 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
25.9% tree cover against a 30% healthy-neighborhood target, across 12.33 km² of land.
Trees in this area
79,821
Target trees
92,457
More trees needed
12,636
CO₂ if planted / yr
278.0 t
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
26.7
PM10
29.3
NO₂
16.2
O₃
101.0
SO₂
16.3
CO
301.0
Frequently asked
Questions about Changle
What is the tree count in Changle?
Changle has an estimated 79,821 trees across the 12.33 km² of land measured — 25.9% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Changle need?
Changle needs roughly 12,636 more trees to close a 4-point shortfall against its 30% tree-cover target — about 278.0 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Changle right now?
The latest reading for Changle 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 Changle'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 Changle 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.
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