City report · United States
San Angelo
Measured across a 2 km radius around San Angelo, TX, USA (12.57 km²)
- Tree cover
- 9.7%
- Air quality
- 41Good
- Trees in this area
- 30.5K
- More trees needed
- 63.8K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 15, 2026
San Angelo's tree count comes to 30,473 trees across 12.57 km² — 20 points below the 30% tree-cover level considered healthy for this area, meaning roughly 63,774 more trees would close the gap. Air quality currently reads AQI 41 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Critically low
9.7% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
30,473
Target trees
94,247
More trees needed
63,774
CO₂ if planted / yr
1,403 t
Air quality detail
AQI 41Good
Observed Sep 21, 22:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.9
PM10
5.2
NO₂
2.4
O₃
69.0
SO₂
0.6
CO
131.0
Frequently asked
Questions about San Angelo
What is the tree count in San Angelo?
San Angelo has an estimated 30,473 trees across the 12.57 km² measured — 9.7% tree cover, 20 percentage points short of the 30% tree-cover target set for this area.
How many more trees does San Angelo need?
San Angelo needs roughly 63,774 more trees to close a 20-point shortfall against its 30% tree-cover target — about 1,403 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in San Angelo right now?
The latest reading for San Angelo shows an AQI of 41 (Good), observed Sep 21, 22:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is San Angelo'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 San Angelo; 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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