City report · United Kingdom
Belfast
Measured across a 1.2 mi (2 km) radius around City Centre, Belfast, UK (4.9 sq mi)
- Tree cover
- 20.3%
- Air quality
- 34Good
- Trees in this area
- 55.6K
- More trees needed
- 26.6K
- Area analyzed
- 4.2 sq miland, in a 4.9 sq mi circle
- Satellite image
- Jul 15, 2026
Belfast's tree count comes to 55,611 trees across 4.2 sq mi (10.96 km²) of land — 10 points below the 30% tree-cover level considered healthy for this area, meaning roughly 26,573 more trees would close the gap. Air quality currently reads AQI 34 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
20.3% tree cover against a 30% healthy-neighborhood target, across 4.2 sq mi (10.96 km²) of land.
Trees in this area
55,611
Target trees
82,184
More trees needed
26,573
CO₂ if planted / yr
584.6 t
Air quality detail
AQI 34Good
Observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.6
PM10
6.7
NO₂
1.5
O₃
72.0
SO₂
0.2
CO
153.0
Frequently asked
Questions about Belfast
What is the tree count in Belfast?
Belfast has an estimated 55,611 trees across the 4.2 sq mi (10.96 km²) of land measured — 20.3% tree cover, 10 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Belfast need?
Belfast needs roughly 26,573 more trees to close a 10-point shortfall against its 30% tree-cover target — about 584.6 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Belfast right now?
The latest reading for Belfast shows an AQI of 34 (Good), observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Belfast'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 1.2 mi (2 km) radius around City Centre; 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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