Bento Gonçalves vs Cambé

Tree cover and air quality for both, measured the same way: Sentinel-2 imagery at 10 m detail over a 2 km radius from each city centre, and the live US EPA air quality index. Same radius and same index, so the two numbers compare directly.

Bento Gonçalves has more tree cover — 41.7% against 28.0%.

Cambé has cleaner air right now — AQI 47 against 48.

Tree cover gap: 13.7 points; Bento Gonçalves is ahead.
Air quality gap: 1 AQI; Cambé is cleaner.
Trees between them: 42.9K; Bento Gonçalves has more standing.

Bento Gonçalves

Brazil

Cambé

Brazil

Tree cover

Share of the 2 km radius under canopy.

41.7%

28.0%

Air quality index

US EPA index, live, with its band. Lower is better.

48 · Good

47 · Good

Trees standing

Estimated from the measured canopy area.

131K

88.0K

Trees still needed

To reach the same canopy target. Fewer is better.

6.3K

CO₂ absorbed each year

By the trees already standing.

2.9M kg

1.9M kg

The full Bento Gonçalves report130,873 trees, measured Sentinel-2 L2A (ESA Copernicus) via Earth Search The full Cambé report87,965 trees, measured Sentinel-2 L2A (ESA Copernicus) via Earth Search

Air quality in detail

What each city is breathing

Concentrations in µg/m³, measured at the same moment as the index above. Lower is better in every row. Both are modelled, with no ground station close enough to either.

PM2.5

Fine particles, the pollutant that usually sets the index.

11.6 µg/m³

11.3 µg/m³

PM10

Coarser particles — dust, pollen, road grit.

11.7 µg/m³

11.5 µg/m³

Nitrogen dioxide

Mostly traffic and combustion.

5.4 µg/m³

6.1 µg/m³

Ozone

Forms in sunlight; peaks on hot, still afternoons.

49 µg/m³

55 µg/m³

The last week, day by day

A single reading can catch a city on a bad afternoon. The week says whether it was the weather or the place.

Bento GonçalvesCambé· daily US EPA index, last 7 days

Daily air quality index for Bento Gonçalves and Cambé
Day	Bento Gonçalves	Cambé
22 Sept	24	67
23 Sept	34	45
24 Sept	57	31
25 Sept	42	52
26 Sept	55	90
27 Sept	52	81
28 Sept	51	48

Reading these numbers

What is actually being measured

Tree cover

The share of ground under canopy inside a 2 km radius of each city centre, read from Sentinel-2 satellite imagery at 10 m detail. It is a measurement of that circle, not of the whole municipality — which is exactly what makes the two comparable, since city boundaries are drawn to wildly different rules around the world. Bento Gonçalves leads here at 41.7%.

Air quality index

The live US EPA index, computed from current pollutant concentrations — ground stations where a city has them nearby, and a model everywhere else. It moves hour to hour, so this is a snapshot rather than a verdict on either place: Bento Gonçalves reads 48 (good) and Cambé reads 47 (good) right now.

Frequently asked

Bento Gonçalves and Cambé, answered

Which has more trees, Bento Gonçalves or Cambé?

Bento Gonçalves, with roughly 130,873 trees inside its 2 km radius against 87,965. Tree cover tells a slightly different story from raw count: Bento Gonçalves has the denser canopy at 41.7%.

Which has better air quality, Bento Gonçalves or Cambé?

Cambé right now, at AQI 47 against 48 — a gap of 1 points. This is a live reading rather than an annual average, so it can reverse within a day.

How many more trees does each city need?

Bento Gonçalves needs about 0 more to reach its canopy target, and Cambé about 6,283. The target is the same share of ground for both, so the figures are directly comparable.

Are these two measured the same way?

Yes — that is the point of the page. Identical radius, identical satellite source at 10 m detail, and the same US EPA index for air. Nothing here is adjusted for population, city limits or climate, so the numbers describe the same-sized circle of ground in each place.

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