Synonyms of smoggiest

1 Syllable

dark, dim, dull

2 Syllables

heavy, sullen, mucky, dismal, murky, hazy, dense, misty, dusky, foggy, leaden, mushy, muddy, blurred, somber, gloomy

3 Syllables

lowering, nebulous, confused, obscure, overcast, indistinct, nubilous, opaque

4 Syllables

nontranslucent, nontransparent, emulsified

5 Syllables

indefinite