City report · Brazil · Rio Grande do Sul
Caxias do Sul
Measured across a 2 km radius around Centro, Caxias do Sul - RS, Brazil (12.57 km²)
- Tree cover
- 19.7%
- Air quality
- 51Moderate
- Trees in this area
- 61.9K
- More trees needed
- 32.4K
- Area analyzed
- 12.57 km²
- Satellite image
- Sep 25, 2026
Caxias do Sul's tree count comes to 61,889 trees across 12.57 km² — 10 points below the 30% tree-cover level considered healthy for this area, meaning roughly 32,358 more trees would close the gap. Air quality currently reads AQI 51 (Moderate): Unusually sensitive people should consider limiting long outdoor exertion.
Tree cover detail
Below target
19.7% tree cover against a 30% healthy-neighborhood target, across 12.57 km².
Trees in this area
61,889
Target trees
94,247
More trees needed
32,358
CO₂ if planted / yr
711.9 t
Air quality detail
AQI 51Moderate
Observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Values in µg/m³.
Health signal
Unusually sensitive people should consider limiting long outdoor exertion.
PM2.5
12.1
PM10
12.8
NO₂
5.9
O₃
44.0
SO₂
1.0
CO
159.0
Frequently asked
Questions about Caxias do Sul
What is the tree count in Caxias do Sul?
Caxias do Sul has an estimated 61,889 trees across the 12.57 km² measured — 19.7% tree cover, 10 percentage points short of the 30% tree-cover target set for this area.
How many more trees does Caxias do Sul need?
Caxias do Sul needs roughly 32,358 more trees to close a 10-point shortfall against its 30% tree-cover target — about 711.9 t of extra CO₂ absorbed per year once grown.
What is the air quality (AQI) in Caxias do Sul right now?
The latest reading for Caxias do Sul shows an AQI of 51 (Moderate), observed Sep 27, 01:00 local time via Open-Meteo / CAMS, US EPA index. Unusually sensitive people should consider limiting long outdoor exertion.
How is Caxias do Sul'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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