City report · United States
Durham
Measured across a 2 km radius around Downtown, Durham, NC, USA (12.57 km²)
- Tree cover
- 53.5%
- Air quality
- 66Moderate
- Trees in this area
- 168K
- More trees needed
- 0
- Area analysed
- 12.57 km²
- Satellite image
- Sep 14, 2026
Durham's tree count comes to 168,075 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 66 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
53.5% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
168,075
Target trees
168,075
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 66Moderate
Observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
10.0
PM10
11.0
NO₂
12.2
O₃
72.0
SO₂
0.7
CO
148.0
Frequently asked
Questions about Durham
What is the tree count in Durham?
Durham has an estimated 168,075 trees across the 12.57 km² measured — 53.5% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Durham need?
Durham has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Durham right now?
The latest reading for Durham shows an AQI of 66 (Moderate), observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Durham'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 Downtown; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS and may differ from street-level monitors.
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