As winter settles in, the capital region of India is blanketed in a thick, grey haze that cloaks streets, blurs buildings and, more importantly, infiltrates lungs. In recent days the city's average air-quality index plunged into the 'Very Poor' (301-400) category, signalling trouble for residents of Delhi in India.
One of the capital's most respected lung specialists is now telling the public bluntly: if you can afford to leave, you should. He is especially urging those with chronic lung or heart conditions to consider relocation for the worst months of the smog season.
