- Tree cover
- 6.8%
- Air quality
- 141Unhealthy for sensitive groups
- Trees in this area
- 21.4K
- More trees needed
- 88.6K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 23, 2026
Uíge's tree count comes to 21,363 trees across 12.57 km² — 28 points below the 35% tree-cover level considered healthy for this area, meaning roughly 88,593 more trees would close the gap. Air quality currently reads AQI 141 (Unhealthy for sensitive groups): Sensitive groups should limit long or intense outdoor activity.
Tree cover detail
Critically low
6.8% tree cover against a 35% healthy-neighborhood target, across 12.57 km².
Trees in this area
21,363
Target trees
109,956
More trees needed
88,593
CO₂ if planted / yr
1,949 t
Air quality detail
AQI 141Unhealthy for sensitive groups
Observed Sep 27, 05:00 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
51.7
PM10
55.2
NO₂
6.2
O₃
67.0
SO₂
2.3
CO
780.0
Frequently asked
Questions about Uíge
What is the tree count in Uíge?
Uíge has an estimated 21,363 trees across the 12.57 km² measured — 6.8% tree cover, 28 percentage points short of the 35% tree-cover target set for this area.
How many more trees does Uíge need?
Uíge needs roughly 88,593 more trees to close a 28-point shortfall against its 35% tree-cover target — about 1,949 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Uíge right now?
The latest reading for Uíge shows an AQI of 141 (Unhealthy for sensitive groups), observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Sensitive groups should limit long or intense outdoor activity.
How is Uíge'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 Uige; 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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