<prompt> Translate the following text to SwahiliThe Clean Air Act recognizes visibility as an important public good in naming visibility as one of the aspects of public welfare to be protected in setting secondary NAAQS.  <response>: Sheria ya hewa safi inatambua mwonekano kama faida muhimu ya umma katika kutaja mwonekano kama moja ya mambo ya ustawi wa umma ambayo inapaswa kulindwa katika kuweka NAQS ya sekondari. 