City report · United States
Louisville
Measured across a 2 km radius around Downtown, Louisville, KY, USA (12.57 km²)
- Tree cover
- 15.2%
- Air quality
- 47Good
- Trees in this area
- 37.2K
- More trees needed
- 36.2K
- Area analysed
- 9.78 km²land, in a 12.57 km² circle
- Satellite image
- Sep 13, 2026
Louisville's tree count comes to 37,151 trees across 9.78 km² of land — 15 points below the 30% tree-cover level considered healthy for this area, meaning roughly 36,174 more trees would close the gap. Air quality currently reads AQI 47 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Critically low
15.2% tree cover against a 30% healthy-neighbourhood target, across 9.78 km² of land.
Trees in this area
37,151
Target trees
73,325
More trees needed
36,174
CO₂ if planted / yr
795.8 t
Air quality detail
AQI 47Good
Observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.4
PM10
2.4
NO₂
5.6
O₃
69.0
SO₂
2.0
CO
182.0
Frequently asked
Questions about Louisville
What is the tree count in Louisville?
Louisville has an estimated 37,151 trees across the 9.78 km² of land measured — 15.2% tree cover, 15 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Louisville need?
Louisville needs roughly 36,174 more trees to close a 15-point shortfall against its 30% tree-cover target — about 795.8 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Louisville right now?
The latest reading for Louisville shows an AQI of 47 (Good), observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Louisville'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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