City report · United States
Aurora
Measured across a 2 km radius around Hoffman Heights, Aurora, CO 80011, USA (12.57 km²)
- Tree cover
- 28.3%
- Air quality
- 51Moderate
- Trees in this area
- 88.9K
- More trees needed
- 5.3K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 9, 2026
Aurora's tree count comes to 88,907 trees across 12.57 km² — 2 points below the 30% tree-cover level considered healthy for this area, meaning roughly 5,341 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
28.3% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
88,907
Target trees
94,248
More trees needed
5,341
CO₂ if planted / yr
117.5 t
Air quality detail
AQI 51Moderate
Observed Sep 21, 17:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
2.8
PM10
3.3
NO₂
0.0
O₃
110.0
SO₂
0.4
CO
118.0
Frequently asked
Questions about Aurora
What is the tree count in Aurora?
Aurora has an estimated 88,907 trees across the 12.57 km² measured — 28.3% tree cover, 2 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Aurora need?
Aurora needs roughly 5,341 more trees to close a 2-point shortfall against its 30% tree-cover target — about 117.5 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Aurora right now?
The latest reading for Aurora shows an AQI of 51 (Moderate), observed Sep 21, 17:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Aurora'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 Hoffman Heights; 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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