You are able to run quick historical environmental and climate analyses in Earth Map. These analyses are executed by using the Google Earth Engine platform on demand. You can export the imagery displayed for further analysis.
2. Click on the 'Download layer' button. You can then select if you want to export the data as a GeoTIFF (to upload in QGIS and continue analysing the data or create a proper map) or as PNG file (to paste it in a report). As by default the scale of the image is changed to stick to imagery under 32 MB.
For downloading a layer in a particular boundary, click in the area before proceeding with the download option.