City report · United States
Rancho Cucamonga
Measured across a 2 km radius around Rancho Cucamonga, CA, USA (12.57 km²)
- Tree cover
- 10.6%
- Air quality
- 61Moderate
- Trees in this area
- 33.3K
- More trees needed
- 60.9K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 19, 2026
Rancho Cucamonga's tree count comes to 33,301 trees across 12.57 km² — 19 points below the 30% tree-cover level considered healthy for this area, meaning roughly 60,947 more trees would close the gap. Air quality currently reads AQI 61 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
10.6% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
33,301
Target trees
94,248
More trees needed
60,947
CO₂ if planted / yr
1,341 t
Air quality detail
AQI 61Moderate
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
11.0
PM10
14.8
NO₂
8.9
O₃
98.0
SO₂
2.0
CO
163.0
Frequently asked
Questions about Rancho Cucamonga
What is the tree count in Rancho Cucamonga?
Rancho Cucamonga has an estimated 33,301 trees across the 12.57 km² measured — 10.6% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Rancho Cucamonga need?
Rancho Cucamonga needs roughly 60,947 more trees to close a 19-point shortfall against its 30% tree-cover target — about 1,341 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Rancho Cucamonga right now?
The latest reading for Rancho Cucamonga shows an AQI of 61 (Moderate), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Rancho Cucamonga'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 Rancho Cucamonga; 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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