City report · Australia · Queensland
Cairns
Measured across a 2 km radius around Parramatta Park QLD 4870, Australia (12.57 km²)
- Tree cover
- 29.5%
- Air quality
- 29Good
- Trees in this area
- 77.3K
- More trees needed
- 1.3K
- Area analyzed
- 10.48 km²land, in a 12.57 km² circle
- Satellite image
- Sep 16, 2026
Cairns's tree count comes to 77,293 trees across 10.48 km² of land — 1 points below the 30% tree-cover level considered healthy for this area, meaning roughly 1,310 more trees would close the gap. Air quality currently reads AQI 29 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
29.5% tree cover against a 30% healthy-neighborhood target, across 10.48 km² of land.
Trees in this area
77,293
Target trees
78,603
More trees needed
1,310
CO₂ if planted / yr
28.8 t
Air quality detail
AQI 29Good
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
3.7
PM10
5.7
NO₂
0.2
O₃
62.0
SO₂
0.3
CO
72.0
Frequently asked
Questions about Cairns
What is the tree count in Cairns?
Cairns has an estimated 77,293 trees across the 10.48 km² of land measured — 29.5% tree cover, 1 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Cairns need?
Cairns needs roughly 1,310 more trees to close a 1-point shortfall against its 30% tree-cover target — about 28.8 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Cairns right now?
The latest reading for Cairns shows an AQI of 29 (Good), observed Sep 27, 14:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Cairns'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 Parramatta Park QLD 4870; 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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