City report · The Netherlands · Gelderland
Nijmegen
Measured across a 2 km radius around Stadscentrum, Nijmegen, Netherlands (12.57 km²)
- Tree cover
- 52.7%
- Air quality
- 63Moderate
- Trees in this area
- 153K
- More trees needed
- 0
- Area analyzed
- 11.63 km²land, in a 12.57 km² circle
- Satellite image
- Sep 25, 2026
Nijmegen's tree count comes to 153,145 trees across 11.63 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 63 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Healthy tree cover
52.7% tree cover against a 30% healthy-neighborhood target, across 11.63 km² of land.
Trees in this area
153,145
Target trees
153,145
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 63Moderate
Observed Sep 27, 06:00 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
17.9
PM10
23.3
NO₂
11.6
O₃
35.0
SO₂
1.0
CO
222.0
Frequently asked
Questions about Nijmegen
What is the tree count in Nijmegen?
Nijmegen has an estimated 153,145 trees across the 11.63 km² of land measured — 52.7% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Nijmegen need?
Nijmegen has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Nijmegen right now?
The latest reading for Nijmegen shows an AQI of 63 (Moderate), observed Sep 27, 06:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Nijmegen'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 Stadscentrum; 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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