City report · Reunion
Saint-Paul
Measured across a 2 km radius around Centre, Saint-Paul, Réunion (12.57 km²)
- Tree cover
- 39.9%
- Air quality
- 20Good
- Trees in this area
- 77.1K
- More trees needed
- 0
- Area analyzed
- 7.73 km²land, in a 12.57 km² circle
- Satellite image
- Sep 2, 2026
Saint-Paul's tree count comes to 77,090 trees across 7.73 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 20 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
39.9% tree cover against a 30% healthy-neighborhood target, across 7.73 km² of land.
Trees in this area
77,090
Target trees
77,090
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 20Good
Observed Sep 28, 04:00 local time via OpenAQ ground stations, US EPA index. Values in µg/m³.
Ground station · LYC. LISLET GEOFFROY, 24.5 km away · median of 5 stations
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.9
PM10
7.2
NO₂
1.7
O₃
44.4
SO₂
0.9
CO
—
Data: OpenAQ · EEA
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Frequently asked
Questions about Saint-Paul
What is the tree count in Saint-Paul?
Saint-Paul has an estimated 77,090 trees across the 7.73 km² of land measured — 39.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Saint-Paul need?
Saint-Paul has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Saint-Paul right now?
The latest reading for Saint-Paul shows an AQI of 20 (Good), measured Sep 28, 04:00 local time by 5 ground monitoring stations via OpenAQ (the median of their readings; the nearest is LYC. LISLET GEOFFROY, 24.5 km away). Air quality is satisfactory for everyone.
How is Saint-Paul'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 Centre; the tree count is an estimate derived from that cover. Air quality is measured by ground monitoring stations near Centre, via OpenAQ; the 7-day trend is the Open-Meteo / CAMS model's estimate.
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