
City report · United Kingdom · England
Gloucester
Measured across a 1.2 mi (2 km) radius around Gloucester, UK (4.9 sq mi)
- Tree cover
- 31.8%
- Air quality
- 25Good
- Trees in this area
- 99.6K
- More trees needed
- 0
- Area analyzed
- 4.8 sq miland, in a 4.9 sq mi circle
- Satellite image
- Aug 25, 2026
Gloucester's tree count comes to 99,603 trees across 4.8 sq mi (12.53 km²) of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 25 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
31.8% tree cover against a 30% healthy-neighborhood target, across 4.8 sq mi (12.53 km²) of land.
Trees in this area
99,603
Target trees
99,603
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 25Good
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
5.2
PM10
9.1
NO₂
4.9
O₃
53.0
SO₂
0.4
CO
174.0
Frequently asked
Questions about Gloucester
What is the tree count in Gloucester?
Gloucester has an estimated 99,603 trees across the 4.8 sq mi (12.53 km²) of land measured — 31.8% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Gloucester need?
Gloucester has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Gloucester right now?
The latest reading for Gloucester shows an AQI of 25 (Good), observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Gloucester'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 Gloucester; 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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