City report · United States
Oceanside
Measured across a 2 km radius around Townsite, Oceanside, CA 92054, USA (12.57 km²)
- Tree cover
- 11.1%
- Air quality
- 56Moderate
- Trees in this area
- 22.9K
- More trees needed
- 39.0K
- Area analysed
- 8.25 km²land, in a 12.57 km² circle
- Satellite image
- Sep 19, 2026
Oceanside's tree count comes to 22,876 trees across 8.25 km² of land — 19 points below the 30% tree-cover level considered healthy for this area, meaning roughly 38,951 more trees would close the gap. Air quality currently reads AQI 56 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
11.1% tree cover against a 30% healthy-neighbourhood target, across 8.25 km² of land.
Trees in this area
22,876
Target trees
61,827
More trees needed
38,951
CO₂ if planted / yr
856.9 t
Air quality detail
AQI 56Moderate
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
8.5
PM10
12.5
NO₂
5.3
O₃
85.0
SO₂
1.0
CO
119.0
Frequently asked
Questions about Oceanside
What is the tree count in Oceanside?
Oceanside has an estimated 22,876 trees across the 8.25 km² of land measured — 11.1% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Oceanside need?
Oceanside needs roughly 38,951 more trees to close a 19-point shortfall against its 30% tree-cover target — about 856.9 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Oceanside right now?
The latest reading for Oceanside shows an AQI of 56 (Moderate), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Oceanside'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 Townsite; 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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