City report · United States
Roseville
Measured across a 2 km radius around Los Cerritos, Roseville, CA 95678, USA (12.57 km²)
- Tree cover
- 26.5%
- Air quality
- 57Moderate
- Trees in this area
- 83.3K
- More trees needed
- 11.0K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 15, 2026
Roseville's tree count comes to 83,252 trees across 12.57 km² — 3 points below the 30% tree-cover level considered healthy for this area, meaning roughly 10,996 more trees would close the gap. Air quality currently reads AQI 57 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
26.5% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
83,252
Target trees
94,248
More trees needed
10,996
CO₂ if planted / yr
241.9 t
Air quality detail
AQI 57Moderate
Observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
11.4
PM10
14.8
NO₂
7.7
O₃
91.0
SO₂
2.0
CO
142.0
Frequently asked
Questions about Roseville
What is the tree count in Roseville?
Roseville has an estimated 83,252 trees across the 12.57 km² measured — 26.5% tree cover, 3 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Roseville need?
Roseville needs roughly 10,996 more trees to close a 3-point shortfall against its 30% tree-cover target — about 241.9 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Roseville right now?
The latest reading for Roseville shows an AQI of 57 (Moderate), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Roseville'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 Los Cerritos; 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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