The EWS was widely off the mark for Saturday, forecasting an AQI of ‘very poor’ which would deteriorate to ‘severe’ by Sunday.

Among the worst affected areas were Jahangirpuri and Mundka — both recording an AQI of 499, Bawana  at 498 and other regions which neared the 500 mark.

At 4pm, 38 of Delhi’s 39 active stations were “severe,” with only Shadipur in “very poor.” Wazirpur topped 500 – the upper limit of CPCB’s monitoring; Rohini and Ashok Vihar also breached it, while Jahangirpuri, and Mundka hit 499

According to the monthly data, the last time Delhi logged a cooler November was in 2020, when the average minimum was 10.3°C.

According to the monthly data, the last time Delhi logged a cooler November was in 2020, when the average minimum was 10.3°C.

Delhi's air quality worsened to "very poor" after Stage-3 restrictions were lifted, with an AQI of 381, raising concerns over fluctuating pollution measures.

Delhi's air quality worsened to "very poor" after Stage-3 restrictions were lifted, with an AQI of 381, raising concerns over fluctuating pollution measures.

Delhi’s 24-hour average AQI stood at 327 at 4pm on Wednesday when the Central Pollution Control Board (CBCP) releases its daily national bulletin

Delhi’s 24-hour average AQI stood at 327 at 4pm on Wednesday when the Central Pollution Control Board (CBCP) releases its daily national bulletin

The streak began in early November as the winter pollution season took hold, but unlike previous years, farm fires have contributed far less to the crisis.

The streak began in early November as the winter pollution season took hold, but unlike previous years, farm fires have contributed far less to the crisis.

Ash from Ethiopia’s Hayli Gubbi volcano swept across Northwest India, crossing Rajasthan, Gujarat, Delhi,Punjab, hampering visibility and disrupting air traffic

Any suspected encounter with volcanic ash, including engine performance fluctuations or cabin smoke/odour, must be reported “immediately,” DGCA said

A windborne cloud of ash from the eruption of the Hayli Gubbi volcano in Ethiopia (the first in nearly 12,000 years) reached India on Monday night, traversing swathes of the northwest, including Rajasthan, Gujarat, Maharashtra, Delhi-NCR, and Punjab.

Data from the Decision Support System showed a 2.66% contribution from stubble burning on Saturday.

Data from the Decision Support System showed a 2.66% contribution from stubble burning on Saturday.

Environment minister Manjinder Singh Sirsa said on Friday that short-term interventions have already begun at several sites, with medium- and long-term structural upgrades to follow

Manjinder Singh Sirsa said short-term interventions have already begun at several sites, with medium- and long-term structural upgrades to follow

Manjinder Singh Sirsa said short-term interventions have already begun at several sites, with medium- and long-term structural upgrades to follow

Since November 13, for the past seven days, the 24-hour AQI of Deonar has consistently been over 200, with spikes taking the hourly AQI even higher. On Thursday, too, the 24-hour AQI was 271