smog

Definition

A type of air pollution formed by smoke and fog, often seen in large cities.

हिन्दी धुएं और कोहरे से बनने वाला वायु प्रदूषण, जो अक्सर बड़े शहरों में देखा जाता है।

Example

"The city was covered in a thick layer of smog during the winter months."