City report · United States
Norman
Measured across a 2 km radius around Old Silk Stocking, Norman, OK, USA (12.57 km²)
- Tree cover
- 24.1%
- Air quality
- 45Good
- Trees in this area
- 75.7K
- More trees needed
- 18.5K
- Area analysed
- 12.57 km²
- Satellite image
- Sep 15, 2026
Norman's tree count comes to 75,712 trees across 12.57 km² — 6 points below the 30% tree-cover level considered healthy for this area, meaning roughly 18,535 more trees would close the gap. Air quality currently reads AQI 45 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Below target
24.1% tree cover against a 30% healthy-neighbourhood target, across 12.57 km².
Trees in this area
75,712
Target trees
94,247
More trees needed
18,535
CO₂ if planted / yr
407.8 t
Air quality detail
AQI 45Good
Observed Sep 21, 22:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
4.7
PM10
4.9
NO₂
3.9
O₃
73.0
SO₂
0.6
CO
142.0
Frequently asked
Questions about Norman
What is the tree count in Norman?
Norman has an estimated 75,712 trees across the 12.57 km² measured — 24.1% tree cover, 6 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Norman need?
Norman needs roughly 18,535 more trees to close a 6-point shortfall against its 30% tree-cover target — about 407.8 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Norman right now?
The latest reading for Norman shows an AQI of 45 (Good), observed Sep 21, 22:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Norman'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 Old Silk Stocking; 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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