1. filled with or characterized by smog; having poor air quality due to pollution and atmospheric conditions

Examples

• The smoggy air made it difficult to see the mountains in the distance.
• Los Angeles had particularly smoggy skies during the summer heat wave.
• We decided to stay indoors because of the smoggy conditions outside.
• The smoggy atmosphere reduced visibility on the highway.
• Air quality alerts are issued when the city becomes too smoggy.
• The smoggy weather made her asthma symptoms worse.