stucco cleaning after dust storm 3

https://wiki-view.win/index.php/Essential_Guide_to_Stucco_Cleaning_After_a_Dust_Storm

After a dust storm, stucco walls and siding get coated with a fine, gritty layer of dirt that can look blotchy and feel rough. Instead of just hosing it down, you'll need to use a soft brush and a gentle soap solution to lift the particles without driving them deeper into the porous surface, then rinse thoroughly to restore its clean, even texture.