- Tree cover
- 20.9%
- Air quality
- 49Good
- Trees in this area
- 65.1K
- More trees needed
- 28.3K
- Area analysed
- 12.46 km²land, in a 12.57 km² circle
- Satellite image
- Sep 19, 2026
Greeley's tree count comes to 65,068 trees across 12.46 km² of land — 9 points below the 30% tree-cover level considered healthy for this area, meaning roughly 28,331 more trees would close the gap. Air quality currently reads AQI 49 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
20.9% tree cover against a 30% healthy-neighbourhood target, across 12.46 km² of land.
Trees in this area
65,068
Target trees
93,399
More trees needed
28,331
CO₂ if planted / yr
623.3 t
Air quality detail
AQI 49Good
Observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
7.7
PM10
8.3
NO₂
15.9
O₃
73.0
SO₂
0.6
CO
128.0
Frequently asked
Questions about Greeley
What is the tree count in Greeley?
Greeley has an estimated 65,068 trees across the 12.46 km² of land measured — 20.9% tree cover, 9 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Greeley need?
Greeley needs roughly 28,331 more trees to close a 9-point shortfall against its 30% tree-cover target — about 623.3 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Greeley right now?
The latest reading for Greeley shows an AQI of 49 (Good), observed Sep 21, 21:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Greeley'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 Greeley; 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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