- Tree cover
- 15.0%
- Air quality
- 71Moderate
- Trees in this area
- 42.9K
- More trees needed
- 42.9K
- Area analyzed
- 11.45 km²land, in a 12.57 km² circle
- Satellite image
- Sep 23, 2026
Kosti's tree count comes to 42,930 trees across 11.45 km² of land — 15 points below the 30% tree-cover level considered healthy for this area, meaning roughly 42,930 more trees would close the gap. Air quality currently reads AQI 71 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
15.0% tree cover against a 30% healthy-neighborhood target, across 11.45 km² of land.
Trees in this area
42,930
Target trees
85,860
More trees needed
42,930
CO₂ if planted / yr
944.5 t
Air quality detail
AQI 71Moderate
Observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
21.7
PM10
32.4
NO₂
2.3
O₃
54.0
SO₂
0.7
CO
133.0
Frequently asked
Questions about Kosti
What is the tree count in Kosti?
Kosti has an estimated 42,930 trees across the 11.45 km² of land measured — 15.0% tree cover, 15 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Kosti need?
Kosti needs roughly 42,930 more trees to close a 15-point shortfall against its 30% tree-cover target — about 944.5 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Kosti right now?
The latest reading for Kosti shows an AQI of 71 (Moderate), observed Sep 27, 05:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Kosti'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 Kosti; 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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