New Delhi, Dec. 18 -- As Delhi's air quality slipped into the "very poor" category, veteran actor and Lok Sabha MP Shatrughan Sinha shared a stark warning on X, amplifying a video message by city-based cardiologist Dr Alok Chopra, who laid out what he called an urgent "AQI survival guide" for residents battling hazardous pollution levels.

The 2.8-minute video was shared on 18 December, the same day Delhi's Air Quality Index (AQI) touched 373, underscoring what health experts have repeatedly warned is no longer a seasonal spike but a prolonged public health crisis.

Opening the video on a deeply personal note, Dr Chopra says he has lived in Delhi for over 72 years, calling the city not just his birthplace but his home. "Today I am ashamed...