The Air Quality Index on the Central Pollution Control Board’s Sameer application was not updated after 12.05 pm on Monday, when the city’s overall AQI stood at 345, which is categorised as “very poor”.

The application provides hourly air quality updates.

At 12.05 pm, among the areas reporting the highest pollution levels were Bawana (411) and Wazirpur (400).

An unidentified official at the Commission for Air Quality Management told Hindustan Times that the pollution board had been asked to fix the issue at the earliest.

“We have been told it is likely to be fixed by the evening,” they told the newspaper. “There should be no problem with the daily bulletin.”

As of 8 pm, the issue had not been resolved.

The Sameer application had seen a disruption of almost 11 hours on October 26,

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