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Airleaf

Arroyo Naranjo vs Pinar del Río

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.

Arroyo Naranjo has more tree cover — 76.8% against 47.9%.

Pinar del Río has cleaner air right now — AQI 27 against 42.

Tree cover gap
28.9 points
Arroyo Naranjo is ahead.
Air quality gap
15 AQI
Pinar del Río is cleaner.
Trees between them
90.6K
Arroyo Naranjo has more standing.

Tree cover

Share of the 2 km radius under canopy.

76.8%

47.9%

Air quality index

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

42 · Good

27 · Good

Trees standing

Estimated from the measured canopy area.

241K

150K

Trees still needed

To reach the same canopy target. Fewer is better.

0

0

CO₂ absorbed each year

By the trees already standing.

5.3M kg

3.3M kg

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.

8 µg/m³

3.4 µg/m³

PM10

Coarser particles — dust, pollen, road grit.

10.7 µg/m³

4 µg/m³

Nitrogen dioxide

Mostly traffic and combustion.

7 µg/m³

3.4 µg/m³

Ozone

Forms in sunlight; peaks on hot, still afternoons.

72 µg/m³

32 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.

Arroyo NaranjoPinar del Río· daily US EPA index, last 7 days
0255021 Sept24 Sept27 Sept
Daily air quality index for Arroyo Naranjo and Pinar del Río
DayArroyo NaranjoPinar del Río
21 Sept2516
22 Sept2316
23 Sept2418
24 Sept2618
25 Sept3121
26 Sept3825
27 Sept4026

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. Arroyo Naranjo leads here at 76.8%.

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: Arroyo Naranjo reads 42 (good) and Pinar del Río reads 27 (good) right now.

Frequently asked

Arroyo Naranjo and Pinar del Río, answered

Which has more trees, Arroyo Naranjo or Pinar del Río?

Arroyo Naranjo, with roughly 241,033 trees inside its 2 km radius against 150,482. Tree cover tells a slightly different story from raw count: Arroyo Naranjo has the denser canopy at 76.8%.

Which has better air quality, Arroyo Naranjo or Pinar del Río?

Pinar del Río right now, at AQI 27 against 42 — a gap of 15 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?

Arroyo Naranjo needs about 0 more to reach its canopy target, and Pinar del Río about 0. 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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