City report · United States
Round Rock
Measured across a 2 km radius around Round Rock Original Plat, Round Rock, TX 78664, USA (12.57 km²)
- Tree cover
- 24.6%
- Air quality
- 45Good
- Trees in this area
- 77.3K
- More trees needed
- 17.0K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 20, 2026
Round Rock's tree count comes to 77,283 trees across 12.57 km² — 5 points below the 30% tree-cover level considered healthy for this area, meaning roughly 16,965 more trees would close the gap. Air quality currently reads AQI 45 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
24.6% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
77,283
Target trees
94,248
More trees needed
16,965
CO₂ if planted / yr
373.2 t
Air quality detail
AQI 45Good
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
7.5
PM10
9.3
NO₂
10.9
O₃
59.0
SO₂
1.5
CO
133.0
Frequently asked
Questions about Round Rock
What is the tree count in Round Rock?
Round Rock has an estimated 77,283 trees across the 12.57 km² measured — 24.6% tree cover, 5 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Round Rock need?
Round Rock needs roughly 16,965 more trees to close a 5-point shortfall against its 30% tree-cover target — about 373.2 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Round Rock right now?
The latest reading for Round Rock shows an AQI of 45 (Good), observed Sep 21, 22:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Round Rock'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 Round Rock Original Plat; 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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