What might be causing that burn? According to health experts this is mainly due to the hazardous pollutants including nitric oxide sulphur and nitrogen dioxide in the air an outcome of construction work and carbon emission. Living within the confines of a proverbial gas chamber people have complained of watery eyes burning sensation discomfort sore eyes redness swelling and an itching sensation besides respiratory problems. Delhi turned into an apocalyptic city the very day after Diwali as lack of breeze trapped the pollutants from firecrackers and stubble burning in neighbouring states added to the woes. According to Safar India the