Delhi’s air quality worsened on Sunday, with an AQI of 441, making it the second-most polluted city in India. The “severe” AQI poses risks to both healthy individuals and those with pre-existing health conditions. Bahadurgarh, Haryana, topped the list with an AQI of 445, followed by Delhi, Bhiwani (415), and Bikaner (404), according to the CPCB.