Khon Kaen satellite images 2017–2025: how it changed
9 yearly Sentinel-2 images of Khon Kaen, from 5 Mar 2017 to 9 Feb 2025. Green cover in true colour moved from 20% to 13% (-7 percentage points) across a 10 × 10 km box.
Before and after
20172025Drag the divider or use the arrow keys.
Year by year
5 Mar 2017 · cloud 0% · green 20% 
23 Dec 2017 · cloud 0% · green 17% 
9 Apr 2019 · cloud 0% · green 27% 
11 Feb 2020 · cloud 0% · green 16% 
22 Feb 2021 · cloud 0% · green 25% 
7 Dec 2021 · cloud 0% · green 28% 
7 Mar 2023 · cloud 0% · green 21% 
5 Feb 2024 · cloud 0% · green 21% 9 Feb 2025 · cloud 0% · green 13%
Yearly facts
| Year | Acquired | Cloud cover | Green cover | Valid pixels |
|---|---|---|---|---|
| 2017 | 5 Mar 2017 | 0% | 20% | 100% |
| 2018 | 23 Dec 2017 | 0% | 17% | 100% |
| 2019 | 9 Apr 2019 | 0% | 27% | 100% |
| 2020 | 11 Feb 2020 | 0% | 16% | 100% |
| 2021 | 22 Feb 2021 | 0% | 25% | 100% |
| 2022 | 7 Dec 2021 | 0% | 28% | 100% |
| 2023 | 7 Mar 2023 | 0% | 21% | 100% |
| 2024 | 5 Feb 2024 | 0% | 21% | 100% |
| 2025 | 9 Feb 2025 | 0% | 13% | 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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