Nakhon Sawan satellite images 2017–2025: how it changed
9 yearly Sentinel-2 images of Nakhon Sawan, from 9 Feb 2017 to 18 Jan 2025. Green cover in true colour moved from 42% to 33% (-9 percentage points) across a 8 × 8 km box.
Before and after
20172025Drag the divider or use the arrow keys.
Year by year
9 Feb 2017 · cloud 0% · green 42% 
23 Dec 2017 · cloud 0% · green 32% 
31 Mar 2019 · cloud 0% · green 32% 
31 Dec 2019 · cloud 0% · green 28% 
23 Feb 2021 · cloud 0% · green 20% 
8 Feb 2022 · cloud 0% · green 37% 
10 Mar 2023 · cloud 0% · green 27% 
19 Jan 2024 · cloud 0% · green 38% 18 Jan 2025 · cloud 0% · green 33%
Yearly facts
| Year | Acquired | Cloud cover | Green cover | Valid pixels |
|---|---|---|---|---|
| 2017 | 9 Feb 2017 | 0% | 42% | 100% |
| 2018 | 23 Dec 2017 | 0% | 32% | 100% |
| 2019 | 31 Mar 2019 | 0% | 32% | 100% |
| 2020 | 31 Dec 2019 | 0% | 28% | 100% |
| 2021 | 23 Feb 2021 | 0% | 20% | 100% |
| 2022 | 8 Feb 2022 | 0% | 37% | 100% |
| 2023 | 10 Mar 2023 | 0% | 27% | 100% |
| 2024 | 19 Jan 2024 | 0% | 38% | 100% |
| 2025 | 18 Jan 2025 | 0% | 33% | 100% |
Method and limits
- Sentinel-2 true colour at 10 m per pixel, so single houses are not visible.
- One clear dry-season acquisition per year; seasons and sun angle still differ slightly between years.
- Green cover is an RGB approximation of green-dominant pixels, not NDVI.
- Clouds, haze and shadows can remain in a scene even after selection.
Contains modified Copernicus Sentinel data, processed by MapScale.
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