Zoeken
Voorbeeld
Environmental activists are pushing for stricter regulations to reduce smog and improve air quality in metropolitan regions.
The smog in the valley trapped pollutants, leading to serious health warnings for residents with respiratory issues.
On some days, the smog was so dense that schools canceled outdoor activities for the safety of the children.
During the winter months, smog often blankets urban areas due to increased heating and traffic emissions.
The city's smog was so thick that it reduced visibility, making it difficult for drivers to see the road ahead.