Sunday morning was wrapped in a thick blanket of fog in Delhi and other parts of the country with 22 trains and 194 flights linking the national capital being delayed. In the city, RK Puram recorded the minimum temperature at 7 degrees this morning.
The visibility was zero metres in the airport area early this morning.
Delhi airport had issued a fog alert last night itself, urging fliers to contact the airlines for updated flight information. Photos shared online by fliers showed a crowded airport with stranded passengers eagerly waiting for their flights.
Flightradar24, which tracks flights, put the average delay at Delhi airport at over three hours and the disruption index at its highest level. As many as 25 flights were cancelled today, the site showed, with another seven scheduled tomorrow have been cancelled.
Airlines too flagged "weather challenges" in northern India with budget carrier IndiGo saying their flight schedules may experience interruptions due to the bad weather.
SpiceJet alerted that departures/arrivals and their consequential flights may get affected due to poor visibility in Delhi, Amritsar, Jammu, Varanasi, Gorakhpur, Guwahati, Patna, Bagdogra and Darbhanga.
In Chennai, where smoke from the Pongal bonfire ritual has reduced visibility, five inbound international flights were diverted to Hyderabad and 18 flights delayed. Chennai airport had suspended landings for an hour this morning.
Very dense fog have been reported in Punjab, Haryana, Delhi, Bihar, Uttar Pradesh, Jammu division, Chandigarh, Assam and south interior Karnataka, while parts of Tripura, coastal Andhra Pradesh and Tamil Nadu reported moderate fog.
Zero visibility has been recorded for the first time in Ganganagar, Patiala, Ambala, Chandigarh, Palam, Safdarjung, Bareilly, Lucknow, Bahraich, Varanasi, Prayagraj and Tezpur, according to the IMD.
The air quality has also dipped to the 'severe' category in several areas in Delhi. The weather office has issued a red alert in view of the cold and fog conditions and forecast dense fog in Delhi till Tuesday.
Friday saw the season's first cold wave day with the temperature dipping to 3.9 degrees Celsius. Saturday's was coldest night as the temperature fell to season's coldest at 3 degrees in Aya Nagar, the last village of Delhi on the Mehrauli-Gurgaon Road.
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