<prompt> Translate the following text to EnglishKwa ajili ya uchambuzi huu, REMSAD toleo 6.40 ilitumiwa kutabiri mabadiliko katika maono, kipimo katika deciviews na kuonyeshwa graphically, ya maeneo yaliyoathiriwa na Sheria ya Clear Skies.  <response>: For this analysis, REMSAD version 6.40 was used to predict the change in visibility, measured in deciviews and presented graphically, of the areas affected by the Clear Skies Act. 