City report · United States
Centennial
Measured across a 2 km radius around Inverness, Centennial, Colorado, United States of America (12.57 km²)
- Tree cover
- 26.2%
- Air quality
- 51Moderate
- Trees in this area
- 82.3K
- More trees needed
- 11.9K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 19, 2026
Centennial's tree count comes to 82,310 trees across 12.57 km² — 4 points below the 30% tree-cover level considered healthy for this area, meaning roughly 11,938 more trees would close the gap. Air quality currently reads AQI 51 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
26.2% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
82,310
Target trees
94,248
More trees needed
11,938
CO₂ if planted / yr
262.6 t
Air quality detail
AQI 51Moderate
Observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
9.7
PM10
10.0
NO₂
32.5
O₃
46.0
SO₂
0.8
CO
140.0
Frequently asked
Questions about Centennial
What is the tree count in Centennial?
Centennial has an estimated 82,310 trees across the 12.57 km² measured — 26.2% tree cover, 4 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Centennial need?
Centennial needs roughly 11,938 more trees to close a 4-point shortfall against its 30% tree-cover target — about 262.6 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Centennial right now?
The latest reading for Centennial shows an AQI of 51 (Moderate), observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Centennial'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 Inverness; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS and may differ from street-level monitors.
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