Talcahuano
Measured across a 2 km radius around Talcahuano, Bio Bio, Chile (12.57 km²)
- Tree cover
- 32.7%
- Air quality
- 24Good
- Trees in this area
- 76.4K
- More trees needed
- 0
- Area analyzed
- 9.35 km²land, in a 12.57 km² circle
- Satellite image
- Sep 21, 2026
Talcahuano's tree count comes to 76,431 trees across 9.35 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 24 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
32.7% tree cover against a 30% healthy-neighborhood target, across 9.35 km² of land.
Trees in this area
76,431
Target trees
76,431
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 24Good
Observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
5.7
PM10
8.9
NO₂
3.5
O₃
35.0
SO₂
2.9
CO
90.0
Frequently asked
Questions about Talcahuano
What is the tree count in Talcahuano?
Talcahuano has an estimated 76,431 trees across the 9.35 km² of land measured — 32.7% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Talcahuano need?
Talcahuano has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Talcahuano right now?
The latest reading for Talcahuano shows an AQI of 24 (Good), observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Talcahuano'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 Talcahuano; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS, US EPA index and may differ from street-level monitors.
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