According to a recent Times of India article, Delhi and Kolkata have the worst air quality levels in India. In the past year, Delhi alone has reported 13,000 cases of cancer, with over 10% of them being lung cancer. Also, out of total number of cases reported during 2009-11 in Kolkata for 20 types of cancers, lung cancer had the highest share of 12%. CSE executive director of research and advocacy on air pollution Anumita Roychowdhury quoted, “The situation demands urgent and immediate policy intervention from the government to prevent exposure early in life to reduce risk as it takes long years for this toxic effect to surface.”
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