Haze (4)
(Other definitions for blur that I've seen before include "Hazy or indistinct image" , "Become unclear" , "fade" , "Group - thing not clearly seen" , "Make less distinct" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">haze</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for smog that I've seen before include "Polluted atmosphere" , "Polluted haze" , "Pea-souper" , "Man-made atmospheric pollution" , "Smoky fog" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">haze</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for mist that I've seen before include "Fret" , "Watery film" , "Think fog or low cloud" , "Thin layer of fog" , "Fine spray" .)