Ban Samae Dam vs Hua Hin
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.
Ban Samae Dam has more tree cover — 47.9% against 38.8%.
Ban Samae Dam has cleaner air right now — AQI 9 against 27.
- Tree cover gap
- 9.1 points
- Ban Samae Dam is ahead.
- Air quality gap
- 18 AQI
- Ban Samae Dam is cleaner.
- Trees between them
- 42.0K
- Ban Samae Dam has more standing.
Thailand
Thailand
Tree cover
Share of the 2 km radius under canopy.
47.9%
38.8%
Air quality index
US EPA index, live, with its band. Lower is better.
9 · Good
27 · Good
Trees standing
Estimated from the measured canopy area.
113K
70.6K
Trees still needed
To reach the same canopy target. Fewer is better.
0
0
CO₂ absorbed each year
By the trees already standing.
2.5M kg
1.6M 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. Ban Samae Dam is read from nearby ground stations and Hua Hin is modelled — worth knowing, since the two are not quite like for like.
PM2.5
Fine particles, the pollutant that usually sets the index.
2.1 µg/m³
2.6 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 | Ban Samae Dam | Hua Hin |
|---|---|---|
| 22 Sept | 66 | 17 |
| 23 Sept | 92 | 23 |
| 24 Sept | 68 | 25 |
| 25 Sept | 28 | 18 |
| 26 Sept | 20 | 18 |
| 27 Sept | 21 | 19 |
| 28 Sept | 25 | 22 |
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. Ban Samae Dam leads here at 47.9%.
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: Ban Samae Dam reads 9 (good) and Hua Hin reads 27 (good) right now.
Frequently asked
Ban Samae Dam and Hua Hin, answered
Which has more trees, Ban Samae Dam or Hua Hin?
Ban Samae Dam, with roughly 112,561 trees inside its 2 km radius against 70,577. Tree cover tells a slightly different story from raw count: Ban Samae Dam has the denser canopy at 47.9%.
Which has better air quality, Ban Samae Dam or Hua Hin?
Ban Samae Dam right now, at AQI 9 against 27 — a gap of 18 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?
Ban Samae Dam needs about 0 more to reach its canopy target, and Hua Hin 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.
Keep going
Other comparisons nearby
- Ban Samae Dam vs Phra Pradaeng28% tree cover · AQI 10Compare
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- Ban Samae Dam vs Samut Prakan35% tree cover · AQI 18Compare
- Ban Samae Dam vs Watthana22% tree cover · AQI 12Compare
- Ban Samae Dam vs Pattaya16% tree cover · AQI 43Compare
- Ban Samae Dam vs Si Racha42% tree cover · AQI 9Compare
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