Delhi air pollution: The air quality in the national capital has worsened with the air quality index (AQI) reading reaching a mark of 483, which is in the ‘severe plus’ category. An AQI of 450 and above is categorised as ‘severe plus’. All the stations for SAFAR-India recorded AQIs of at least 450.

India said on Sunday that it would tighten restrictions including on construction activities and vehicle movements in New Delhi and surrounding areas from Monday to combat worsening air quality. The new measures,

Despite "severe" AQI, many in Delhi are choosing to step outside, continuing their daily routines in the city’s parks.

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.