The city's overall air quality index stood at 306 on Friday.
The city's air quality index will fluctuate between the higher end of the "poor" category and the lower end of the "very poor" category, it predicted.
The minimum temperature settled at 2.6 degree Celsius at the Safdarjung observatory, four notches below the season's average, and humidity was 100 per cent. The visibility recorded by the Safdarjung and Palam observatories stood at zero metres at 8.30 am. It was recorded at 100 metres at Safdarjung and zero at Palam at 5.30 am.
The national capital on Friday recorded a 24-hour average air quality index of 239. On Thursday, it was 315, the worst since February 12 when the AQI was 320.
Air pollution may lead to a faster spread of Covid-19 infection as it causes coughing and sneezing, government officials told a parliamentary panel on Friday, according to sources.
In a gross violation of a Supreme Court order, people in several cities burst firecrackers until at least midnight, two hours after the 10 pm deadline. Loud bangs rent the air in New Delhi.
The top court did some tough-talking and had warned that the administration at large will be made accountable even if there is a single incident of stubble burning henceforth.
On Sunday, too, a drizzle resulted in an increase in humidity, triggering a massive pollution spike.
Pollution levels in Delhi and satellite towns shot up again on Sunday morning, with the air quality bordering the 'severe plus' category at several places.
The eight areas that recorded 'severe' air quality Saturday are Anand Vihar, Dwarka Sector 8, Narela, Punjabi Bagh, Bawana, Mundaka, Vivek Vihar and Rohini.
The PM2.5 level (presence in the air of particles with a diametre of less than 2.5 micrometres) touched a new high at 158 as authorities predicted further deterioration of air quality in the coming days.
Experts said unfavourable meteorological conditions -- calm winds and low temperatures -- and smoke from farm fires in neighbouring states led to a dense layer of haze as the air quality index entered the "severe" zone.
The problem is so severe that multiple agencies have issued several precautionary measures.
A Central Pollution Control Board official said the AQI entered the "severe plus" or "emergency" category late on Thursday night, the first time since January this year.
The overall Air Quality Index was recorded at 231 on Sunday which falls in 'poor' category.
Avoid smoking, eat healthy and practice deep breathing.
'The greatest danger is that the current crisis will clear a little, we'll be able to see our hands in front of our faces, and with great relief we'll forget all about it and willingly breathe poison until next November', says Mitali Saran.
The dramatic reversal in the situation caught people and weather scientists unaware.
According to SAFAR, both stubble burning in surrounding states of Delhi and firecrackers are causing deterioration of air quality in the national capital.
Pollution levels were inching towards 'severe plus emergency' category due to a change in wind direction and rampant stubble burning in neighbouring states
13 out of the world's 20 most polluted cities are in India. Most shockingly, the latest Central Pollution Control Board statistics reveal that the pollution levels in Gwalior, Raipur and even little known Kashipur are higher than that of Delhi which means we have some of the most polluted zones in the world.
The Manali-Leh National Highway-3 was blocked after heavy rainfall triggered landslide in Himachal Pradesh's Kullu district on Friday.
Rickshaw pullers and construction workers are the worst hit.
Authorities alerted people to avoid staying outdoors and L-G ordered to halt all civil construction activities across the city till Sunday.
The national capital woke up on Tuesday morning to 'severe' air quality under a blanket of thick haze, as pollution levels breached the permissible standards by multiple times.
'A resurgent Jaish could be a reflection of the Pakistani security establishment's view that with the region moving ever closer to a post-US Afghanistan, it is time to redirect attention to Kashmir.'
A deputy leader of Al Qaeda's branch in the Indian subcontinent, who was seen as a "rising star" in terrorist circles, died in an American drone strike in Pakistan in January that also killed an American and Italian hostage, according to a media report.
Once called India's garden city, this upper middle-class residential area in Bangalore has India's most toxic air, says Devanik Saha, IndiaSpend.com.
Sujatha Gidla's scathing observations about Mahatma Gandhi and other highlights from Jaipur Literature Festival 2018.