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

Crossword clues for City pollution 5 letters:

SMAZE: City pollution
SMOG: Big city pollution problem
SMOG: Mexico City pollutant
SMOG: Pollution in city skies
AGRA: Dangerously polluted Taj Mahal city
SMOG: Pollution problem in some Canadian cities