City report · Venezuela
San Cristóbal
Measured across a 2 km radius around San Martin, San Cristobal 5001, Táchira, Venezuela (12.57 km²)
- Tree cover
- 38.8%
- Air quality
- 31Good
- Trees in this area
- 122K
- More trees needed
- 0
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 26, 2026
San Cristóbal's tree count comes to 121,894 trees across 12.57 km² — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 31 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
38.8% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
121,894
Target trees
121,894
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 31Good
Observed Sep 26, 22:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
7.4
PM10
7.8
NO₂
7.6
O₃
21.0
SO₂
0.7
CO
589.0
Frequently asked
Questions about San Cristóbal
What is the tree count in San Cristóbal?
San Cristóbal has an estimated 121,894 trees across the 12.57 km² measured — 38.8% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does San Cristóbal need?
San Cristóbal has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in San Cristóbal right now?
The latest reading for San Cristóbal shows an AQI of 31 (Good), observed Sep 26, 22:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is San Cristóbal'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 San Martin; the tree count is an estimate derived from that cover. Air-quality readings come from Open-Meteo / CAMS, US EPA index and may differ from street-level monitors.
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