City report · United Kingdom · England
Crawley
Measured across a 1.2 mi (2 km) radius around Town Centre, Crawley, UK (4.9 sq mi)
- Tree cover
- 58.3%
- Air quality
- 50Good
- Trees in this area
- 183K
- More trees needed
- 0
- Area analyzed
- 4.8 sq miland, in a 4.9 sq mi circle
- Satellite image
- Sep 22, 2026
Crawley's tree count comes to 182,972 trees across 4.8 sq mi (12.56 km²) of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 50 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
58.3% tree cover against a 30% healthy-neighborhood target, across 4.8 sq mi (12.56 km²) of land.
Trees in this area
182,972
Target trees
182,972
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 50Good
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
12.0
PM10
14.3
NO₂
9.0
O₃
42.0
SO₂
0.6
CO
185.0
Frequently asked
Questions about Crawley
What is the tree count in Crawley?
Crawley has an estimated 182,972 trees across the 4.8 sq mi (12.56 km²) of land measured — 58.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Crawley need?
Crawley has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Crawley right now?
The latest reading for Crawley shows an AQI of 50 (Good), observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Crawley'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 Town 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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