New Delhi, Nov. 24 -- A London-based tech professional's blunt advice to "leave Delhi" has stirred debate online as the city battles another season of hazardous air. Kunal Kushwaha, senior developer advocate at Cast.ai, recently returned to the capital and said the pollution had an immediate and painful impact on his body.

After living in London for a few years, he wrote on X that landing in Delhi felt like "tasting and smelling" pollution with every breath. Even at an AQI of 200 - which residents often consider "normal" - he experienced a sore throat and a stinging sensation in the lungs.

Calling the air crisis "unbearable," Kushwaha urged people to move out of Delhi, even if it means going into debt. He added that he has already cut h...