Airleaf
Aerial study of a dense urban district organised around a green corridor
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City report · United States

Vallejo

Measured across a 2 km radius around Vallejo, CA, USA (12.57 km²)

Tree cover
13.9%
Air quality
48Good
Trees in this area
37.6K
More trees needed
43.5K
Area analysed
10.81 km²land, in a 12.57 km² circle
Satellite image
Sep 15, 2026
Dark green marks tree cover detected inside the study radius.Sentinel-2 L2A (ESA Copernicus) via Earth Search, captured Sep 15, 2026

Vallejo's tree count comes to 37,555 trees across 10.81 km² of land — 16 points below the 30% tree-cover level considered healthy for this area, meaning roughly 43,498 more trees would close the gap. Air quality currently reads AQI 48 (Good): Air quality is satisfactory for everyone.

Tree cover detail

Critically low

13.9% tree cover against a 30% healthy-neighbourhood target, across 10.81 km² of land.

16 points below target

Trees in this area

37,555

Target trees

81,053

More trees needed

43,498

CO₂ if planted / yr

957.0 t

Air quality detail

AQI 48Good

Observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Values in µg/m³.

Health signal

Air quality is satisfactory for everyone.

PM2.5

7.7

PM10

11.3

NO₂

6.3

O₃

57.0

SO₂

0.9

CO

122.0

Frequently asked

Questions about Vallejo

What is the tree count in Vallejo?

Vallejo has an estimated 37,555 trees across the 10.81 km² of land measured — 13.9% tree cover, 16 percentage points short of the 30% tree-cover target set for this area.

How many more trees does Vallejo need?

Vallejo needs roughly 43,498 more trees to close a 16-point shortfall against its 30% tree-cover target — about 957.0 t of extra CO₂ absorbed per year once grown.

What is the air quality (AQI) in Vallejo right now?

The latest reading for Vallejo shows an AQI of 48 (Good), observed Sep 21, 20:00 local time via Open-Meteo / CAMS. Air quality is satisfactory for everyone.

How is Vallejo'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 Vallejo; 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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