City report · United States
Columbia
Measured across a 2 km radius around Midtown - Downtown, Columbia, SC, USA (12.57 km²)
- Tree cover
- 36.3%
- Air quality
- 66Moderate
- Trees in this area
- 110K
- More trees needed
- 0
- Area analysed
- 12.14 km²land, in a 12.57 km² circle
- Satellite image
- Sep 14, 2026
Columbia's tree count comes to 110,162 trees across 12.14 km² of land — 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
36.3% tree cover against a 30% healthy-neighbourhood target, across 12.14 km² of land.
Trees in this area
110,162
Target trees
110,162
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 66Moderate
Observed Sep 21, 19:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
7.3
PM10
8.9
NO₂
2.6
O₃
101.0
SO₂
1.0
CO
221.0
Frequently asked
Questions about Columbia
What is the tree count in Columbia?
Columbia has an estimated 110,162 trees across the 12.14 km² of land measured — 36.3% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Columbia need?
Columbia has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Columbia right now?
The latest reading for Columbia shows an AQI of 66 (Moderate), observed Sep 21, 19:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Columbia'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 Midtown - 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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