Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for L.A. problems:

SMOG: L.A. problem
HAZE: L.A. problem
SMOGS: L.A. problems
SMOG: L.A. air problem
SMOG: L.A. or Houston problem