These were the most polluted cities in North India during last winter - 60 cities of North India were analysed based real-time data from the Central Pollution Control Board s (CPCB) official online portal.
The particulate pollution spiked and stayed elevated with varying intensity across all regions during the winter of 2021-22 (October 15 to February 28) with the PM2.5 winter average of the eastern region was over three times the average of the .
The particulate pollution spiked and stayed elevated with varying intensity across all regions during the winter of 2021-22 (October 15 to February 28) with the PM2.5 winter average of the eastern region was over three times the average of the cities in southern India and 22 per cent more polluted than north Indian cities.