The AQI in Delhi dropped to ‘very poor’ category by Monday evening due to low winds and continued to be at the same level on Tuesday morning.

Delhi's air quality remained stagnant in the "very poor" category on Tuesday, with experts warning that it may deteriorate to "severe" levels in the next 24 hours due to a change in wind patterns. None of the 39 monitoring stations in the capital recorded the air quality in the "severe" category on Tuesday.

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The Central Pollution Control Board data shows of the 38 monitoring stations in Delhi, nine reported AQI readings in the “severe” range.

After a slight improvement on Monday morning, Delhi's Air Quality Index (AQI) fell to the 'very poor' category by evening because of sluggish winds, remaining at the same level on Tuesday morning, with AQI readings between 300 and 440 at most monitoring stations.

According to the weather department, Delhi woke up to patches of shallow fog today, with temperatures hovering at 12.8 degrees Celsius.

The AQI in Delhi dropped to ‘very poor’ category by Monday evening due to low winds and continued to be at the same level on Tuesday morning.