
City report · United States
Thousand Oaks
Measured across a 2 km radius around Thousand Oaks, CA, USA (12.57 km²)
- Tree cover
- 16.1%
- Air quality
- 44Good
- Trees in this area
- 50.6K
- More trees needed
- 43.7K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 19, 2026
Thousand Oaks's tree count comes to 50,580 trees across 12.57 km² — 14 points below the 30% tree-cover level considered healthy for this area, meaning roughly 43,668 more trees would close the gap. Air quality currently reads AQI 44 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Critically low
16.1% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
50,580
Target trees
94,248
More trees needed
43,668
CO₂ if planted / yr
960.7 t
Air quality detail
AQI 44Good
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
5.9
PM10
8.7
NO₂
1.8
O₃
82.0
SO₂
0.4
CO
128.0
Frequently asked
Questions about Thousand Oaks
What is the tree count in Thousand Oaks?
Thousand Oaks has an estimated 50,580 trees across the 12.57 km² measured — 16.1% tree cover, 14 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Thousand Oaks need?
Thousand Oaks needs roughly 43,668 more trees to close a 14-point shortfall against its 30% tree-cover target — about 960.7 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Thousand Oaks right now?
The latest reading for Thousand Oaks shows an AQI of 44 (Good), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Thousand Oaks'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 Thousand Oaks; 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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