Delhi, Noida's air quality turns 'severe' as farm fire rages in Punjab, Haryana

The residents of Delhi and Noida woke up to a thick layer of smog as the air quality again slipped to the 'severe' category amid continuous stubble burning in Punjab and Haryana.

According to CPCB’s AQI bulletin on Tuesday, Delhi was the most polluted city in the country with an AQI reading 424 (severe).