City report · United States
Glendale
Measured across a 2 km radius around Glendale, AZ, USA (12.57 km²)
- Tree cover
- 5.0%
- Air quality
- 52Moderate
- Trees in this area
- 15.7K
- More trees needed
- 78.5K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 18, 2026
Glendale's tree count comes to 15,708 trees across 12.57 km² — 25 points below the 30% tree-cover level considered healthy for this area, meaning roughly 78,540 more trees would close the gap. Air quality currently reads AQI 52 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Critically low
5.0% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
15,708
Target trees
94,248
More trees needed
78,540
CO₂ if planted / yr
1,728 t
Air quality detail
AQI 52Moderate
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
9.7
PM10
46.6
NO₂
13.6
O₃
48.0
SO₂
0.7
CO
179.0
Frequently asked
Questions about Glendale
What is the tree count in Glendale?
Glendale has an estimated 15,708 trees across the 12.57 km² measured — 5.0% tree cover, 25 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Glendale need?
Glendale needs roughly 78,540 more trees to close a 25-point shortfall against its 30% tree-cover target — about 1,728 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Glendale right now?
The latest reading for Glendale shows an AQI of 52 (Moderate), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Unusually sensitive people should consider limiting long outdoor exertion.
How is Glendale'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 Glendale; 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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