New Delhi, Dec 22 (PTI) The national capital witnessed moderate fog on Sunday morning, with the minimum temperature settling at 7.4 degrees Celsius, normal for this time of the year.

Palam observatory recorded a visibility of 300 metres while at Safdarjung, it was 700 metres, a MeT department official said.

The weatherman has predicted clears skies throughout the day, the official said, adding that the maximum temperature is expected to settle at 18 degrees Celsius.

The air quality was poor at 355 at 9.40 am.

An AQI between 0 and 50 is considered 'good', 51 and 100 'satisfactory', 101 and 200 'moderate', 201 and 300 'poor', 301 and 400 'very poor', and 401 and 500 'severe'. PTI BUN

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)