Bouaké vs San-Pédro
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.
San-Pédro has more tree cover — 37.4% against 21.8%.
Bouaké has cleaner air right now — AQI 16 against 21.
- Tree cover gap
- 15.6 points
- San-Pédro is ahead.
- Air quality gap
- 5 AQI
- Bouaké is cleaner.
- Trees between them
- 45.4K
- San-Pédro has more standing.
Tree cover
Share of the 2 km radius under canopy.
21.8%
37.4%
Air quality index
US EPA index, live, with its band. Lower is better.
16 · Good
21 · Good
Trees standing
Estimated from the measured canopy area.
68.5K
114K
Trees still needed
To reach the same canopy target. Fewer is better.
25.8K
0
CO₂ absorbed each year
By the trees already standing.
1.5M kg
2.5M 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. San-Pédro is read from nearby ground stations and Bouaké is modelled — worth knowing, since the two are not quite like for like.
PM2.5
Fine particles, the pollutant that usually sets the index.
1.5 µg/m³
5.1 µg/m³
PM10
Coarser particles — dust, pollen, road grit.
2.1 µg/m³
7.8 µg/m³
Nitrogen dioxide
Mostly traffic and combustion.
0.4 µg/m³
2.8 µg/m³
Ozone
Forms in sunlight; peaks on hot, still afternoons.
49 µg/m³
24 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.
| Day | Bouaké | San-Pédro |
|---|---|---|
| 22 Sept | 21 | 20 |
| 23 Sept | 16 | 24 |
| 24 Sept | 21 | 26 |
| 25 Sept | 27 | 32 |
| 26 Sept | 26 | 28 |
| 27 Sept | 29 | 21 |
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. San-Pédro leads here at 37.4%.
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: Bouaké reads 16 (good) and San-Pédro reads 21 (good) right now.
Frequently asked
Bouaké and San-Pédro, answered
Which has more trees, Bouaké or San-Pédro?
San-Pédro, with roughly 113,853 trees inside its 2 km radius against 68,487. Tree cover tells a slightly different story from raw count: San-Pédro has the denser canopy at 37.4%.
Which has better air quality, Bouaké or San-Pédro?
Bouaké right now, at AQI 16 against 21 — a gap of 5 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?
Bouaké needs about 25,761 more to reach its canopy target, and San-Pédro 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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