City report · United States
Roanoke
Measured across a 2 km radius around Downtown Roanoke, Roanoke, VA, USA (12.57 km²)
- Tree cover
- 43.6%
- Air quality
- 53Moderate
- Trees in this area
- 137K
- More trees needed
- 0
- Area analysed
- 12.57 km²
- Satellite image
- Sep 4, 2026
Roanoke's tree count comes to 136,973 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 53 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
43.6% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
136,973
Target trees
136,973
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 53Moderate
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
8.5
PM10
8.7
NO₂
5.8
O₃
72.0
SO₂
0.6
CO
172.0
Frequently asked
Questions about Roanoke
What is the tree count in Roanoke?
Roanoke has an estimated 136,973 trees across the 12.57 km² measured — 43.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Roanoke need?
Roanoke has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Roanoke right now?
The latest reading for Roanoke shows an AQI of 53 (Moderate), observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Roanoke'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 Roanoke; 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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