New Delhi, February 11: The fog condition in Punjab, Haryana, Chandigarh and Delhi is likely to intensify in the morning hours from February 12 said India Meteorological Department (IMD) on Thursday.

"Dense to very dense fog in isolated pockets very likely over Punjab, Haryana, Chandigarh and Delhi, East Uttar Pradesh and northwest Rajasthan in the morning hours of February 12 and 13 and dense fog in isolated pockets over the same area in the morning hours of February 14," IMD tweeted. Weather Forecast: Dense Fog To Engulf Delhi, Uttarakhand, Punjab and Parts of North India Till February 11; Rain and Snowfall Likely Over J&K and Himachal Pradesh.

IMD's Tweet

"Dense fog in isolated pockets over Bihar in the morning hours of February 12 and 13 and over Odisha in the morning hours of February 12, 2021," IMD said in another tweet.

Meanwhile, air quality in the national capital continued to remain in the 'very poor' category on Thursday with a thick layer of fog engulfing parts of the city and affecting visibility.

The overall air quality index (AQI) stands at 320, as per the System of Air Quality and Weather Forecasting And Research (SAFAR). The Central Pollution Control Board (CPCB) reported AQIs of 309 in ITO, 300 in RK Puram and 315 in Chandni Chowk, all in the 'very poor' category.

Other parts of the city like Sri Aurobindo Marg (263), Punjabi Bagh (270) and Aya Nagar (253) reported AQI in the 'poor' category. The IMD has reported similar conditions over other parts of north India.