<prompt> Translate the following text to EnglishMabadiliko katika uzalishaji wa SO2 na NOx yanayotokana na Sheria ya Clear Skies itabadilisha kiwango cha kuonekana katika sehemu kubwa ya Marekani kwa kupunguza mkusanyiko wa sulfate na nitrate chembechembe.  <response>: Changes in the emissions of SO2 and NOx caused by the Clear Skies Act will change the level of visibility in much of the U.S by reducing concentrations of sulfate and nitrate particles. 