- Tree cover
- 26.0%
- Air quality
- 31Good
- Trees in this area
- 81.7K
- More trees needed
- 12.6K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 23, 2026
Queluz's tree count comes to 81,681 trees across 12.57 km² — 4 points below the 30% tree-cover level considered healthy for this area, meaning roughly 12,566 more trees would close the gap. Air quality currently reads AQI 31 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
26.0% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
81,681
Target trees
94,247
More trees needed
12,566
CO₂ if planted / yr
276.5 t
Air quality detail
AQI 31Good
Observed Sep 28, 04:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · Reboleira, 2.3 km away · median of 9 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
1.9
PM10
—
NO₂
5.0
O₃
65.0
SO₂
1.4
CO
215.0
Data: OpenAQ · AirGradient, EEA
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Frequently asked
Questions about Queluz
What is the tree count in Queluz?
Queluz has an estimated 81,681 trees across the 12.57 km² measured — 26.0% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Queluz need?
Queluz needs roughly 12,566 more trees to close a 4-point shortfall against its 30% tree-cover target — about 276.5 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Queluz right now?
The latest reading for Queluz shows an AQI of 31 (Good), measured Sep 28, 04:00 local time by 9 ground monitoring stations via OpenAQ (the median of their readings; the nearest is Reboleira, 2.3 km away). Air quality is satisfactory for everyone.
How is Queluz'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 Queluz; the tree count is an estimate derived from that cover. Air quality is measured by ground monitoring stations near Queluz, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate.
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