City report · France · Grand Est
Reims
Measured across a 2 km radius around Laon Sud, 51100 Reims, France (12.57 km²)
- Tree cover
- 23.8%
- Air quality
- 66Moderate
- Trees in this area
- 74.7K
- More trees needed
- 19.5K
- Area analyzed
- 12.56 km²land, in a 12.57 km² circle
- Satellite image
- Sep 26, 2026
Reims's tree count comes to 74,695 trees across 12.56 km² of land — 6 points below the 30% tree-cover level considered healthy for this area, meaning roughly 19,458 more trees would close the gap. Air quality currently reads AQI 66 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
23.8% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
74,695
Target trees
94,153
More trees needed
19,458
CO₂ if planted / yr
428.1 t
Air quality detail
AQI 66Moderate
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
19.2
PM10
25.8
NO₂
12.7
O₃
30.0
SO₂
1.4
CO
223.0
Frequently asked
Questions about Reims
What is the tree count in Reims?
Reims has an estimated 74,695 trees across the 12.56 km² of land measured — 23.8% tree cover, 6 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Reims need?
Reims needs roughly 19,458 more trees to close a 6-point shortfall against its 30% tree-cover target — about 428.1 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Reims right now?
The latest reading for Reims shows an AQI of 66 (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 Reims'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 Laon Sud; 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.
See your own area
What does your neighborhood look like?
Pick any point and radius to get the same tree-cover and air-quality breakdown.
Check my address