City report · Italy
Cagliari
Measured across a 2 km radius around Cagliari, Metropolitan City of Cagliari, Italy (12.57 km²)
- Tree cover
- 13.6%
- Air quality
- 33Good
- Trees in this area
- 41.8K
- More trees needed
- 50.4K
- Area analyzed
- 12.31 km²land, in a 12.57 km² circle
- Satellite image
- Sep 16, 2026
Cagliari's tree count comes to 41,828 trees across 12.31 km² of land — 16 points below the 30% tree-cover level considered healthy for this area, meaning roughly 50,440 more trees would close the gap. Air quality currently reads AQI 33 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Critically low
13.6% tree cover against a 30% healthy-neighborhood target, across 12.31 km² of land.
Trees in this area
41,828
Target trees
92,268
More trees needed
50,440
CO₂ if planted / yr
1,110 t
Air quality detail
AQI 33Good
Observed Sep 27, 06:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.1
PM10
6.7
NO₂
2.4
O₃
69.0
SO₂
0.2
CO
152.0
Frequently asked
Questions about Cagliari
What is the tree count in Cagliari?
Cagliari has an estimated 41,828 trees across the 12.31 km² of land measured — 13.6% tree cover, 16 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Cagliari need?
Cagliari needs roughly 50,440 more trees to close a 16-point shortfall against its 30% tree-cover target — about 1,110 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Cagliari right now?
The latest reading for Cagliari shows an AQI of 33 (Good), observed Sep 27, 06:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Cagliari'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 Cagliari; 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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