City report · Brazil · Rio Grande do Sul
Viamão
Measured across a 2 km radius around Centro, Viamão - RS, Brazil (12.57 km²)
- Tree cover
- 62.9%
- Air quality
- 35Good
- Trees in this area
- 197K
- More trees needed
- 0
- Area analyzed
- 12.56 km²land, in a 12.57 km² circle
- Satellite image
- Sep 25, 2026
Viamão's tree count comes to 197,409 trees across 12.56 km² of land — already at or above the 30% tree-cover level considered healthy for this area. Air quality currently reads AQI 35 (Good): Air quality is satisfactory for everyone.
Tree cover detail
Healthy tree cover
62.9% tree cover against a 30% healthy-neighborhood target, across 12.56 km² of land.
Trees in this area
197,409
Target trees
197,409
More trees needed
0
CO₂ if planted / yr
0 kg
Air quality detail
AQI 35Good
Observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Air quality is satisfactory for everyone.
PM2.5
8.4
PM10
11.5
NO₂
3.4
O₃
52.0
SO₂
1.5
CO
75.0
Frequently asked
Questions about Viamão
What is the tree count in Viamão?
Viamão has an estimated 197,409 trees across the 12.56 km² of land measured — 62.9% tree cover, already past the 30% tree-cover target set for this area.
How many more trees does Viamão need?
Viamão has already reached its tree-cover target, so no additional trees are needed to close the gap.
What is the air quality (AQI) in Viamão right now?
The latest reading for Viamão shows an AQI of 35 (Good), observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Air quality is satisfactory for everyone.
How is Viamão'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 Centro; 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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