Answer: smogs

AnswerCrossword Clue
SMOGSAtmospheric problems.
smogssmoke and fog
smogsSMOG, a mixture of smoke and fog
SMOGSThey are smoky and foggy
SMOGSSuffocating blankets
SMOGSL.A. hazes
SMOGSUrban woes
SMOGSL.A. problems
SMOGSHazes
SMOGSHazes of a sort
SMOGSWeather problems
SMOGSCity blankets
SMOGSMurky atmospheres.
SMOGSCity problems.
SMOGSUrban pollutants
SMOGSMixtures of smoke and fog.
SMOGSAir pollutions.
SMOGSObscures, with "up"
SMOGSUrban pollutions
SMOGSUrban problems
SMOGSBad air conditions
SMOGSAir pollutants
SMOGSDirty blankets?
SMOGSUrban palls
SMOGSThey may be photochemical
SMOGSUrban blights
SMOGSSmoky, foggy conditions
SMOGSEPA concerns