<span style="color: #222222;">Delhi today is enveloped in dense fog since morning, while the minimum temperature has dipped to 5.8 degrees Celsius. Dense fog was observed at Palam from 4.30 am onwards, with visibility at 50 to 100 metres, according to the India Meteorological Department. At Safdarjung, dense fog with a visibility of around 100 metres was observed from 7 am onwards.</span><br />'' <span style="color: #222222;"> </span><br />'' <span style="color: #222222;">The minimum temperature at the Safdarjung weather observatory over the past 24 hours was 5.8 degrees Celsius, two degrees below normal. At Palam, the minimum temperature was 6.6 degrees Celsius, while it stood at 5.7 degrees Celsius at Lodhi Road. The Air Quality Index (AQI) in Delhi was in the 'moderate' category at 191 on Wednesday. On Thursday, it is likely to remain in the 'poor' category, according to the Air Quality Early Warning System for Delhi. </span>