New Delhi, Oct. 21 -- Delhi-NCR is choking a day after Diwali as pollution levels spiked to hazardous levels. Delhiites woke up to a thick layer of smog blanketing the National Capital on Tuesday, October 21.

As several areas across Delhi-NCR suffer from deteriorating air quality, the city reported an AQI of 359 which falls in the very poor category, according to Central Pollution Control Board data at 10:40 AM. With over 33 million people at risk of respiratory infections due to high pollution level, it's time to turn to the areas across Delhi-NCR with the worst air quality as GRAP 2 rules take effect.

An AQI between 301and 400 is considered very poor and those above 400 are termed as severe, as per CPCB parameters in a 500 AQI scale. ...