 | Dense fog in North India: Over 260 trains, 100 flights cancelled amid zero visibilityAs per Satellite imagery from the IMD, a fog layer extended from Punjab and adjoining northwest Rajasthan to Bihar across Haryana, Chandigarh and Delhi and Uttar Pradesh. |
 | Delhi logs season’s lowest of 4.40 C; Orange alert issued for next two daysThe Ridge observatory near Delhi University recorded a cold wave with a minimum temperature of 3.3 degrees Celsius, the lowest in the national capital on Wednesday. |
 | Shallow fog in Delhi, several trains delayed, flights divertedThe Safdarjung observatory, Delhi’s primary weather station, recorded 85 per cent humidity in the weather at 8:30 am and 69 per cent at 5:30 pm. |
 | Delhi to ring in a chilly New Year; cold wave conditions may returnA cold day is when the minimum temperature is less than or equal to 10 degrees Celsius below normal and the maximum temperature is at least 4.5 degrees below normal. |
 | Nearly 100 flights disrupted due to dense fog in North IndiaPoor visibility affecting the northern parts of the country over the past few days, once again disrupted flight movement on Wednesday. |
| Dense fog continues on fourth day, affects visibility in several parts of North IndiaA drop in temperature has been also recorded in states of North India, including Delhi, Uttar Pradesh, Punjab, and Bihar. |
| Moderate fog disrupts rail, road traffic in DelhiHowever, he said, three flights were returned or diverted to the Delhi airport due to bad weather in Chandigarh, Varanasi and Lucknow on Tuesday night. |
 | Smog in NCR: CISF issues 15,000 masks to personnelThe CISF ordered over 15,000 masks for its personnel deployed at IGI Airport, Delhi Metro and other government installations. |
| Primary schools closed, odd-even may return: Deputy CM Manish SisodiaPrimary schools to remain closed in Delhi on 8 October in view of the deteriorating quality of air in the city. |
