In Pics | Delhi-NCR witnesses season's first fog

Delhi-NCR witnessed this winter season's first fog spell on October 12 as visibility dropped to 350 metres.

Delhi reported the season's first episode of fog on Wednesday (October 12) morning. The visibility level dropped to 350 metres in some parts of the capital. Credit: PTI Photo

The capital recorded a minimum temperature of 20.2 degrees Celsius, a notch below the normal. Credit: PTI Photo

According to the IMD, fog is very dense when visibility is between 0 and 50 metres, 51 and 200 visibility is considered dense, 201 and 500 visibility moderate, and 501 and 1,000 metres visibility shallow. Credit: PTI Photo

The visibility at the Safdarjung Observatory, Delhi's primary weather station, dropped to 600 metres and to 350 metres at the Palam weather station at 8.30 am. Credit: PTI Photo

Locally-generated pollutants and fog pushed the air quality in the city from the

The air quality is likely to deteriorate to the poor category by Saturday (October 15). Credit: PTI Photo