A dense fog enveloped Delhi and nearby regions early Saturday (16 November) as the national capital’s air quality index (AQI) remained in the ‘Severe’ category for the fourth straight day. Delhi’s overall AQI was recorded at 404 on Saturday morning, placing it in the ‘Severe’ category, according to data from the Central Pollution Control Board.

Northern India encountered the recurring annual pre-winter event of air emergency where the Air Quality Index (AQI) readings of main pollutant PM 2.5 breached the 400-mark of “very poor” and landed the air of Delhi, Punjab and other northern cities into the “hazardous” category.

The air quality of the national capital remained in the "severe" category on Saturday morning with the AQI settling at 407 at 9 am, according to the

In an immediate effort to reduce the impact of polluted air, Delhi Chief Minister Atishi announced on Friday a revision of working hours across government offices, aiming to reduce traffic congestion and improve air quality. The Air Quality Index (AQI) readings and particulate matter (PM) levels in various parts of the city are as follows:

Air pollution choking New Delhi has ground outdoor work to a halt and disrupted air travel in the Indian capital.

After reaching a peak, Delhi’s AQI has remained in the ‘severe’ category for the fourth day in a row. Covered in a thick blanket of fog and pollution, the poor visibility has even caused many school to remain closed for the past few days.