City report · United States
Eugene
Measured across a 2 km radius around Downtown, Eugene, OR, USA (12.57 km²)
- Tree cover
- 45.1%
- Air quality
- 36Good
- Trees in this area
- 138K
- More trees needed
- 0
- Area analysed
- 12.27 km²land, in a 12.57 km² circle
- Satellite image
- Sep 8, 2026
Eugene's tree count comes to 138,285 trees across 12.27 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 36 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
45.1% tree cover against a 30% healthy-neighbourhood target, across 12.27 km² of land.
Trees in this area
138,285
Target trees
138,285
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 36Good
Observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.1
PM10
6.5
NO₂
5.3
O₃
58.0
SO₂
0.7
CO
183.0
Frequently asked
Questions about Eugene
What is the tree count in Eugene?
Eugene has an estimated 138,285 trees across the 12.27 km² of land measured — 45.1% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Eugene need?
Eugene has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Eugene right now?
The latest reading for Eugene shows an AQI of 36 (Good), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Eugene'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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