Suffix for the well-to-do
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">suffix for the well-to-do</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 aire that I've seen before include "Northern English river, tributary of the Ouse" , "English flower" , "Major river of Yorkshire" , "River of the Yorkshire dales" , "flower of Yorkshire" .)