Ciego de Ávila vs Guanabacoa

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.

Guanabacoa has more tree cover — 48.9% against 39.5%.

Ciego de Ávila has cleaner air right now — AQI 23 against 43.

Tree cover gap: 9.4 points; Guanabacoa is ahead.
Air quality gap: 20 AQI; Ciego de Ávila is cleaner.
Trees between them: 29.5K; Guanabacoa has more standing.

Ciego de Ávila

Cuba

Guanabacoa

Cuba

Tree cover

Share of the 2 km radius under canopy.

39.5%

48.9%

Air quality index

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

23 · Good

43 · Good

Trees standing

Estimated from the measured canopy area.

124K

154K

Trees still needed

To reach the same canopy target. Fewer is better.

CO₂ absorbed each year

By the trees already standing.

2.7M kg

3.4M kg

The full Ciego de Ávila report124,093 trees, measured Sentinel-2 L2A (ESA Copernicus) via Earth Search The full Guanabacoa report153,624 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.

5.6 µg/m³

10.4 µg/m³

PM10

Coarser particles — dust, pollen, road grit.

6.7 µg/m³

13 µg/m³

Nitrogen dioxide

Mostly traffic and combustion.

7.1 µg/m³

9.8 µg/m³

Ozone

Forms in sunlight; peaks on hot, still afternoons.

25 µg/m³

66 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.

Ciego de ÁvilaGuanabacoa· daily US EPA index, last 7 days

Daily air quality index for Ciego de Ávila and Guanabacoa
Day	Ciego de Ávila	Guanabacoa
22 Sept	21	23
23 Sept	24	24
24 Sept	34	26
25 Sept	29	31
26 Sept	20	38
27 Sept	29	40
28 Sept	23	42

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. Guanabacoa leads here at 48.9%.

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: Ciego de Ávila reads 23 (good) and Guanabacoa reads 43 (good) right now.

Frequently asked

Ciego de Ávila and Guanabacoa, answered

Which has more trees, Ciego de Ávila or Guanabacoa?

Guanabacoa, with roughly 153,624 trees inside its 2 km radius against 124,093. Tree cover tells a slightly different story from raw count: Guanabacoa has the denser canopy at 48.9%.

Which has better air quality, Ciego de Ávila or Guanabacoa?

Ciego de Ávila right now, at AQI 23 against 43 — a gap of 20 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?

Ciego de Ávila needs about 0 more to reach its canopy target, and Guanabacoa 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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