City report · United States
Tucson
Measured across a 2 km radius around El Encanto, Tucson, AZ 85716, USA (12.57 km²)
- Tree cover
- 12.9%
- Air quality
- 40Good
- Trees in this area
- 40.5K
- More trees needed
- 53.7K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 5, 2026
Tucson's tree count comes to 40,527 trees across 12.57 km² — 17 points below the 30% tree-cover level considered healthy for this area, meaning roughly 53,721 more trees would close the gap. Air quality currently reads AQI 40 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Critically low
12.9% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
40,527
Target trees
94,248
More trees needed
53,721
CO₂ if planted / yr
1,182 t
Air quality detail
AQI 40Good
Observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
3.1
PM10
3.8
NO₂
7.5
O₃
63.0
SO₂
0.4
CO
179.0
Frequently asked
Questions about Tucson
What is the tree count in Tucson?
Tucson has an estimated 40,527 trees across the 12.57 km² measured — 12.9% tree cover, 17 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Tucson need?
Tucson needs roughly 53,721 more trees to close a 17-point shortfall against its 30% tree-cover target — about 1,182 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Tucson right now?
The latest reading for Tucson shows an AQI of 40 (Good), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Tucson'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 El Encanto; 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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