City report · South Africa · Gauteng
Nigel
Measured across a 2 km radius around Ferryvale, Nigel, 1491, South Africa (12.57 km²)
- Tree cover
- 29.2%
- Air quality
- 63Moderate
- Trees in this area
- 90.5K
- More trees needed
- 2.5K
- Area analyzed
- 12.39 km²land, in a 12.57 km² circle
- Satellite image
- Sep 22, 2026
Nigel's tree count comes to 90,450 trees across 12.39 km² of land — 1 points below the 30% tree-cover level considered healthy for this area, meaning roughly 2,478 more trees would close the gap. Air quality currently reads AQI 63 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
29.2% tree cover against a 30% healthy-neighborhood target, across 12.39 km² of land.
Trees in this area
90,450
Target trees
92,928
More trees needed
2,478
CO₂ if planted / yr
54.5 t
Air quality detail
AQI 63Moderate
Observed Sep 27, 06:00 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
18.0
PM10
18.3
NO₂
13.5
O₃
57.0
SO₂
21.8
CO
183.0
Frequently asked
Questions about Nigel
What is the tree count in Nigel?
Nigel has an estimated 90,450 trees across the 12.39 km² of land measured — 29.2% tree cover, 1 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Nigel need?
Nigel needs roughly 2,478 more trees to close a 1-point shortfall against its 30% tree-cover target — about 54.5 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Nigel right now?
The latest reading for Nigel shows an AQI of 63 (Moderate), observed Sep 27, 06:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Nigel'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 Ferryvale; 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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