City report · United States
El Monte
Measured across a 2 km radius around El Monte, CA, USA (12.57 km²)
- Tree cover
- 7.6%
- Air quality
- 64Moderate
- Trees in this area
- 23.9K
- More trees needed
- 70.4K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 19, 2026
El Monte's tree count comes to 23,876 trees across 12.57 km² — 22 points below the 30% tree-cover level considered healthy for this area, meaning roughly 70,372 more trees would close the gap. Air quality currently reads AQI 64 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
7.6% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
23,876
Target trees
94,248
More trees needed
70,372
CO₂ if planted / yr
1,548 t
Air quality detail
AQI 64Moderate
Observed Sep 21, 16:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
14.0
PM10
19.0
NO₂
4.7
O₃
123.0
SO₂
2.8
CO
156.0
Frequently asked
Questions about El Monte
What is the tree count in El Monte?
El Monte has an estimated 23,876 trees across the 12.57 km² measured — 7.6% tree cover, 22 percentage points short of the 30% tree-cover target set for this area.
How many more trees does El Monte need?
El Monte needs roughly 70,372 more trees to close a 22-point shortfall against its 30% tree-cover target — about 1,548 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in El Monte right now?
The latest reading for El Monte shows an AQI of 64 (Moderate), observed Sep 21, 16:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is El Monte'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 El Monte; 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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