City report · United States
Pittsburgh
Measured across a 2 km radius around Downtown, Pittsburgh, PA, USA (12.57 km²)
- Tree cover
- 34.1%
- Air quality
- 27Good
- Trees in this area
- 91.1K
- More trees needed
- 0
- Area analysed
- 10.68 km²land, in a 12.57 km² circle
- Satellite image
- Sep 14, 2026
Pittsburgh's tree count comes to 91,059 trees across 10.68 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 27 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
34.1% tree cover against a 30% healthy-neighbourhood target, across 10.68 km² of land.
Trees in this area
91,059
Target trees
91,059
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 27Good
Observed Sep 21, 23:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
2.8
PM10
2.9
NO₂
6.0
O₃
60.0
SO₂
0.7
CO
163.0
Frequently asked
Questions about Pittsburgh
What is the tree count in Pittsburgh?
Pittsburgh has an estimated 91,059 trees across the 10.68 km² of land measured — 34.1% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Pittsburgh need?
Pittsburgh has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Pittsburgh right now?
The latest reading for Pittsburgh shows an AQI of 27 (Good), observed Sep 21, 23:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Pittsburgh'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 Downtown; 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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