adjective
- most affected by or filled with smog; having the greatest amount of air pollution consisting of smoke and fog
Usage: superlative form of ‘smoggy’
Examples
- Los Angeles had its smoggiest day of the year yesterday.
- The smoggiest cities often issue health warnings for sensitive groups.
- During the smoggiest months, visibility drops significantly downtown.
- Beijing was ranked among the world’s smoggiest capitals.
- The smoggiest areas of the valley were advised to limit outdoor activities.
- Summer tends to be the smoggiest season due to increased heat and traffic.