Delhi-NCR weather: Dense fog covers national capital as temperature drops to 7 degree Celsius; Train, flight operations impacted

A thick layer of dense fog covered Delhi-NCR on Wednesday morning, severely reducing visibility and complicating travel. The IMD warned of dense fog, particularly in isolated areas, with conditions improving by afternoon. Many flights and trains faced delays because of poor visibility. The AQI remained in the 'poor' category, affecting residents' health.