Hindustan Times Dense fog in Delhi as air quality continues to dip; AQI touches 444
Visibility remained zero at Safdarjung for around six hours, between 2:30 am and 8:30 am, while it was down to 100 metres at Palam
Visibility remained zero at Safdarjung for around six hours, between 2:30 am and 8:30 am, while it was down to 100 metres at Palam