City report · United States
Austin
Measured across a 2 km radius around Congress Avenue Historic District, Austin, TX 78701, USA (12.57 km²)
- Tree cover
- 24.7%
- Air quality
- 49Good
- Trees in this area
- 74.9K
- More trees needed
- 16.1K
- Area analysed
- 12.13 km²land, in a 12.57 km² circle
- Satellite image
- Sep 20, 2026
Austin's tree count comes to 74,881 trees across 12.13 km² of land — 5 points below the 30% tree-cover level considered healthy for this area, meaning roughly 16,068 more trees would close the gap. Air quality currently reads AQI 49 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
24.7% tree cover against a 30% healthy-neighbourhood target, across 12.13 km² of land.
Trees in this area
74,881
Target trees
90,949
More trees needed
16,068
CO₂ if planted / yr
353.5 t
Air quality detail
AQI 49Good
Observed Sep 21, 18:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
6.3
PM10
8.8
NO₂
1.7
O₃
100.0
SO₂
1.2
CO
117.0
Frequently asked
Questions about Austin
What is the tree count in Austin?
Austin has an estimated 74,881 trees across the 12.13 km² of land measured — 24.7% tree cover, 5 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Austin need?
Austin needs roughly 16,068 more trees to close a 5-point shortfall against its 30% tree-cover target — about 353.5 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Austin right now?
The latest reading for Austin shows an AQI of 49 (Good), observed Sep 21, 18:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Austin'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 Congress Avenue Historic District; 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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