City report · United States
Baltimore
Measured across a 2 km radius around Downtown, Baltimore, MD, USA (12.57 km²)
- Tree cover
- 11.2%
- Air quality
- 42Good
- Trees in this area
- 32.5K
- More trees needed
- 54.6K
- Area analysed
- 11.61 km²land, in a 12.57 km² circle
- Satellite image
- Sep 16, 2026
Baltimore's tree count comes to 32,512 trees across 11.61 km² of land — 19 points below the 30% tree-cover level considered healthy for this area, meaning roughly 54,573 more trees would close the gap. Air quality currently reads AQI 42 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Critically low
11.2% tree cover against a 30% healthy-neighbourhood target, across 11.61 km² of land.
Trees in this area
32,512
Target trees
87,085
More trees needed
54,573
CO₂ if planted / yr
1,201 t
Air quality detail
AQI 42Good
Observed Sep 21, 19:00 local time via Open-Meteo / CAMS. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
10.6
PM10
10.8
NO₂
16.2
O₃
70.0
SO₂
2.0
CO
216.0
Frequently asked
Questions about Baltimore
What is the tree count in Baltimore?
Baltimore has an estimated 32,512 trees across the 11.61 km² of land measured — 11.2% tree cover, 19 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Baltimore need?
Baltimore needs roughly 54,573 more trees to close a 19-point shortfall against its 30% tree-cover target — about 1,201 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Baltimore right now?
The latest reading for Baltimore shows an AQI of 42 (Good), observed Sep 21, 19:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.
How is Baltimore'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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