
City report · Austria
Klagenfurt am Wörthersee
Measured across a 2 km radius around Klagenfurt am Wörthersee, Austria (12.57 km²)
- Tree cover
- 48.6%
- Air quality
- 47Good
- Trees in this area
- 153K
- More trees needed
- 0
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 26, 2026
Klagenfurt am Wörthersee's tree count comes to 152,681 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 47 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
48.6% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
152,681
Target trees
152,681
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 47Good
Observed Sep 28, 07:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Klagenfurt Völkermarkter Straße, 1 km away · median of 4 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
11.2
PM10
15.7
NO₂
8.6
O₃
12.5
SO₂
—
CO
270.5
Data: OpenAQ · EEA
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Frequently asked
Questions about Klagenfurt am Wörthersee
What is the tree count in Klagenfurt am Wörthersee?
Klagenfurt am Wörthersee has an estimated 152,681 trees across the 12.57 km² measured — 48.6% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Klagenfurt am Wörthersee need?
Klagenfurt am Wörthersee has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Klagenfurt am Wörthersee right now?
The latest reading for Klagenfurt am Wörthersee shows an AQI of 47 (Good), measured Sep 28, 07:00 local time by 4 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Klagenfurt Völkermarkter Straße, 1 km away). Air quality is satisfactory for everyone.
How is Klagenfurt am Wörthersee'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 Klagenfurt am Wörthersee; the tree count is an estimate derived from that cover. Air quality is measured by ground monitoring stations near Klagenfurt am Wörthersee, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate.
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