Klagenfurt am Wörthersee vs Padua

Tree cover and air quality for both, measured the same way: Sentinel-2 imagery at 10 m detail over a 2 km radius from each city centre, and the live US EPA air quality index. Same radius and same index, so the two numbers compare directly.

Klagenfurt am Wörthersee has more tree cover — 48.6% against 30.0%.

Klagenfurt am Wörthersee has cleaner air right now — AQI 52 against 76.

Tree cover gap: 18.6 points; Klagenfurt am Wörthersee is ahead.
Air quality gap: 24 AQI; Klagenfurt am Wörthersee is cleaner.
Trees between them: 58.4K; Klagenfurt am Wörthersee has more standing.

Klagenfurt am Wörthersee

Austria

Padua

Italy

Tree cover

Share of the 2 km radius under canopy.

48.6%

30.0%

Air quality index

US EPA index, live, with its band. Lower is better.

52 · Moderate

76 · Moderate

Trees standing

Estimated from the measured canopy area.

153K

94.2K

Trees still needed

To reach the same canopy target. Fewer is better.

CO₂ absorbed each year

By the trees already standing.

3.4M kg

2.1M kg

The full Klagenfurt am Wörthersee report152,681 trees, measured Sentinel-2 L2A (ESA Copernicus) via Earth Search The full Padua report94,248 trees, measured Sentinel-2 L2A (ESA Copernicus) via Earth Search

Air quality in detail

What each city is breathing

Concentrations in µg/m³, measured at the same moment as the index above. Lower is better in every row. Both are read from nearby ground stations.

PM2.5

Fine particles, the pollutant that usually sets the index.

12.6 µg/m³

24 µg/m³

The last week, day by day

A single reading can catch a city on a bad afternoon. The week says whether it was the weather or the place.

Klagenfurt am WörtherseePadua· daily US EPA index, last 7 days

Daily air quality index for Klagenfurt am Wörthersee and Padua
Day	Klagenfurt am Wörthersee	Padua
22 Sept	31	33
23 Sept	30	36
24 Sept	35	48
25 Sept	30	39
26 Sept	42	50
27 Sept	45	58
28 Sept	62	70

Reading these numbers

What is actually being measured

Tree cover

The share of ground under canopy inside a 2 km radius of each city centre, read from Sentinel-2 satellite imagery at 10 m detail. It is a measurement of that circle, not of the whole municipality — which is exactly what makes the two comparable, since city boundaries are drawn to wildly different rules around the world. Klagenfurt am Wörthersee leads here at 48.6%.

Air quality index

The live US EPA index, computed from current pollutant concentrations — ground stations where a city has them nearby, and a model everywhere else. It moves hour to hour, so this is a snapshot rather than a verdict on either place: Klagenfurt am Wörthersee reads 52 (moderate) and Padua reads 76 (moderate) right now.

Frequently asked

Klagenfurt am Wörthersee and Padua, answered

Which has more trees, Klagenfurt am Wörthersee or Padua?

Klagenfurt am Wörthersee, with roughly 152,681 trees inside its 2 km radius against 94,248. Tree cover tells a slightly different story from raw count: Klagenfurt am Wörthersee has the denser canopy at 48.6%.

Which has better air quality, Klagenfurt am Wörthersee or Padua?

Klagenfurt am Wörthersee right now, at AQI 52 against 76 — a gap of 24 points. This is a live reading rather than an annual average, so it can reverse within a day.

How many more trees does each city need?

Klagenfurt am Wörthersee needs about 0 more to reach its canopy target, and Padua about 0. The target is the same share of ground for both, so the figures are directly comparable.

Are these two measured the same way?

Yes — that is the point of the page. Identical radius, identical satellite source at 10 m detail, and the same US EPA index for air. Nothing here is adjusted for population, city limits or climate, so the numbers describe the same-sized circle of ground in each place.

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