Pak Chong satellite images 2017–2025: how it changed
9 yearly Sentinel-2 images of Pak Chong, Nakhon Ratchasima, from 27 Jan 2017 to 1 Dec 2024. Green cover in true colour moved from 22% to 49% (+27 percentage points) across a 8 × 8 km box.
Before and after
20172025Drag the divider or use the arrow keys.
Year by year
27 Jan 2017 · cloud 0% · green 22% 
23 Dec 2017 · cloud 0% · green 23% 
13 Mar 2019 · cloud 0% · green 9% 
28 Dec 2019 · cloud 0% · green 15% 
5 Feb 2021 · cloud 0% · green 20% 
7 Dec 2021 · cloud 0% · green 50% 
26 Jan 2023 · cloud 1% · green 31% 
15 Feb 2024 · cloud 0% · green 8% 1 Dec 2024 · cloud 0% · green 49%
Yearly facts
| Year | Acquired | Cloud cover | Green cover | Valid pixels |
|---|---|---|---|---|
| 2017 | 27 Jan 2017 | 0% | 22% | 100% |
| 2018 | 23 Dec 2017 | 0% | 23% | 100% |
| 2019 | 13 Mar 2019 | 0% | 9% | 100% |
| 2020 | 28 Dec 2019 | 0% | 15% | 100% |
| 2021 | 5 Feb 2021 | 0% | 20% | 100% |
| 2022 | 7 Dec 2021 | 0% | 50% | 100% |
| 2023 | 26 Jan 2023 | 1% | 31% | 100% |
| 2024 | 15 Feb 2024 | 0% | 8% | 100% |
| 2025 | 1 Dec 2024 | 0% | 49% | 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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