City report · Australia · New South Wales
Newcastle
Measured across a 2 km radius around The Hill NSW 2300, Australia (12.57 km²)
- Tree cover
- 23.6%
- Air quality
- 28Good
- Trees in this area
- 33.3K
- More trees needed
- 9.0K
- Area analyzed
- 5.64 km²land, in a 12.57 km² circle
- Satellite image
- Sep 25, 2026
Newcastle's tree count comes to 33,290 trees across 5.64 km² of land — 6 points below the 30% tree-cover level considered healthy for this area, meaning roughly 9,028 more trees would close the gap. Air quality currently reads AQI 28 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
23.6% tree cover against a 30% healthy-neighborhood target, across 5.64 km² of land.
Trees in this area
33,290
Target trees
42,318
More trees needed
9,028
CO₂ if planted / yr
198.6 t
Air quality detail
AQI 28Good
Observed Sep 27, 14:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
6.7
PM10
9.2
NO₂
6.9
O₃
54.0
SO₂
6.8
CO
82.0
Frequently asked
Questions about Newcastle
What is the tree count in Newcastle?
Newcastle has an estimated 33,290 trees across the 5.64 km² of land measured — 23.6% tree cover, 6 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Newcastle need?
Newcastle needs roughly 9,028 more trees to close a 6-point shortfall against its 30% tree-cover target — about 198.6 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Newcastle right now?
The latest reading for Newcastle shows an AQI of 28 (Good), observed Sep 27, 14:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Newcastle'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 The Hill NSW 2300; 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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